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Revert "[DebugInfo@O2][LoopVectorize] pr39024: Vectorized code linenos step through loop even after completion"
This reverts commit 1a0f7a2077b70c9864faa476e15b048686cf1ca7. See phabricator thread for D60831. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363132 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Orlando Cazalet-Hyams
parent
27a775c1fd
commit
f36c1c031e
@ -579,13 +579,7 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
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// The new block unconditionally branches to the old block.
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BranchInst *BI = BranchInst::Create(BB, NewBB);
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// Splitting the predecessors of a loop header creates a preheader block.
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if (LI && LI->isLoopHeader(BB))
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// Using the loop start line number prevents debuggers stepping into the
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// loop body for this instruction.
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BI->setDebugLoc(LI->getLoopFor(BB)->getStartLoc());
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else
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BI->setDebugLoc(BB->getFirstNonPHIOrDbg()->getDebugLoc());
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BI->setDebugLoc(BB->getFirstNonPHIOrDbg()->getDebugLoc());
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// Move the edges from Preds to point to NewBB instead of BB.
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for (unsigned i = 0, e = Preds.size(); i != e; ++i) {
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@ -2911,11 +2911,11 @@ BasicBlock *InnerLoopVectorizer::createVectorizedLoopSkeleton() {
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CmpInst::Create(Instruction::ICmp, CmpInst::ICMP_EQ, Count,
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CountRoundDown, "cmp.n", MiddleBlock->getTerminator());
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// Here we use the same DebugLoc as the scalar loop latch branch instead
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// of the corresponding compare because they may have ended up with
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// different line numbers and we want to avoid awkward line stepping while
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// debugging. Eg. if the compare has got a line number inside the loop.
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cast<Instruction>(CmpN)->setDebugLoc(ScalarLatchBr->getDebugLoc());
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// Provide correct stepping behaviour by using the same DebugLoc as the
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// scalar loop latch branch cmp if it exists.
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if (CmpInst *ScalarLatchCmp =
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dyn_cast_or_null<CmpInst>(ScalarLatchBr->getCondition()))
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cast<Instruction>(CmpN)->setDebugLoc(ScalarLatchCmp->getDebugLoc());
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}
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BranchInst *BrInst = BranchInst::Create(ExitBlock, ScalarPH, CmpN);
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@ -3608,15 +3608,7 @@ void InnerLoopVectorizer::fixReduction(PHINode *Phi) {
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// Reduce all of the unrolled parts into a single vector.
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Value *ReducedPartRdx = VectorLoopValueMap.getVectorValue(LoopExitInst, 0);
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unsigned Op = RecurrenceDescriptor::getRecurrenceBinOp(RK);
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// The middle block terminator has already been assigned a DebugLoc here (the
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// OrigLoop's single latch terminator). We want the whole middle block to
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// appear to execute on this line because: (a) it is all compiler generated,
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// (b) these instructions are always executed after evaluating the latch
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// conditional branch, and (c) other passes may add new predecessors which
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// terminate on this line. This is the easiest way to ensure we don't
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// accidentally cause an extra step back into the loop while debugging.
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setDebugLocFromInst(Builder, LoopMiddleBlock->getTerminator());
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setDebugLocFromInst(Builder, ReducedPartRdx);
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for (unsigned Part = 1; Part < UF; ++Part) {
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Value *RdxPart = VectorLoopValueMap.getVectorValue(LoopExitInst, Part);
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if (Op != Instruction::ICmp && Op != Instruction::FCmp)
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@ -38,59 +38,66 @@
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; if (__builtin_expect(enable, 0)) { }
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; }
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; ModuleID = 'inlined-arg.c'
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source_filename = "inlined-arg.c"
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source_filename = "test.i"
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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%struct.t = type { %struct.q* }
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%struct.q = type { %struct.q*, i64 }
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@tt = common local_unnamed_addr global %struct.t* null, align 8, !dbg !0
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@tt = local_unnamed_addr global %struct.t* null, align 8, !dbg !0
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; Function Attrs: norecurse nounwind readonly ssp uwtable
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define i32 @g(%struct.t* nocapture readonly %t, i64 %r) local_unnamed_addr !dbg !21 {
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; Function Attrs: noredzone nounwind readonly ssp
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define i32 @g(%struct.t* nocapture readonly %t, i64 %r) local_unnamed_addr #0 !dbg !20 {
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entry:
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call void @llvm.dbg.value(metadata %struct.t* %t, metadata !27, metadata !DIExpression()), !dbg !30
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call void @llvm.dbg.value(metadata i64 %r, metadata !28, metadata !DIExpression()), !dbg !31
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call void @llvm.dbg.value(metadata %struct.t* %t, metadata !32, metadata !DIExpression()), !dbg !39
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call void @llvm.dbg.value(metadata i64 %r, metadata !37, metadata !DIExpression()), !dbg !41
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%s.i = getelementptr inbounds %struct.t, %struct.t* %t, i64 0, i32 0, !dbg !42
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%q.05.i = load %struct.q*, %struct.q** %s.i, align 8, !dbg !43, !tbaa !44
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call void @llvm.dbg.value(metadata %struct.q* %q.05.i, metadata !38, metadata !DIExpression()), !dbg !48
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%tobool6.i = icmp eq %struct.q* %q.05.i, null, !dbg !49
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br i1 %tobool6.i, label %find.exit, label %while.body.i, !dbg !49
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tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !26, metadata !DIExpression()), !dbg !29
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tail call void @llvm.dbg.value(metadata i64 %r, metadata !27, metadata !DIExpression()), !dbg !30
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tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !31, metadata !DIExpression()), !dbg !39
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tail call void @llvm.dbg.value(metadata i64 %r, metadata !37, metadata !DIExpression()), !dbg !41
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%s.i5 = bitcast %struct.t* %t to %struct.q**
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tail call void @llvm.dbg.value(metadata %struct.q** %s.i5, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42
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%q.06.i = load %struct.q*, %struct.q** %s.i5, align 8
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tail call void @llvm.dbg.value(metadata %struct.q* %q.06.i, metadata !38, metadata !DIExpression()), !dbg !42
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%tobool7.i = icmp eq %struct.q* %q.06.i, null, !dbg !43
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br i1 %tobool7.i, label %find.exit, label %while.body.i.preheader, !dbg !43
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while.body.i: ; preds = %entry, %if.end.i
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%q.07.i = phi %struct.q* [ %q.0.i, %if.end.i ], [ %q.05.i, %entry ]
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%resource1.i = getelementptr inbounds %struct.q, %struct.q* %q.07.i, i64 0, i32 1, !dbg !50
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%0 = load i64, i64* %resource1.i, align 8, !dbg !50, !tbaa !53
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%cmp.i = icmp eq i64 %0, %r, !dbg !56
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br i1 %cmp.i, label %find.exit, label %if.end.i, !dbg !57
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while.body.i.preheader: ; preds = %entry
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br label %while.body.i, !dbg !44
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while.body.i: ; preds = %while.body.i.preheader, %if.end.i
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%q.08.i = phi %struct.q* [ %q.0.i, %if.end.i ], [ %q.06.i, %while.body.i.preheader ]
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%resource1.i = getelementptr inbounds %struct.q, %struct.q* %q.08.i, i64 0, i32 1, !dbg !44
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%0 = load i64, i64* %resource1.i, align 8, !dbg !44
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%cmp.i = icmp eq i64 %0, %r, !dbg !47
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br i1 %cmp.i, label %find.exit, label %if.end.i, !dbg !48
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if.end.i: ; preds = %while.body.i
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%next.i = getelementptr inbounds %struct.q, %struct.q* %q.07.i, i64 0, i32 0, !dbg !58
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%q.0.i = load %struct.q*, %struct.q** %next.i, align 8, !dbg !43, !tbaa !44
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call void @llvm.dbg.value(metadata %struct.q* %q.0.i, metadata !38, metadata !DIExpression()), !dbg !48
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%tobool.i = icmp eq %struct.q* %q.0.i, null, !dbg !49
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br i1 %tobool.i, label %find.exit, label %while.body.i, !dbg !49, !llvm.loop !59
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%next.i6 = bitcast %struct.q* %q.08.i to %struct.q**
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tail call void @llvm.dbg.value(metadata %struct.q** %next.i6, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42
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%q.0.i = load %struct.q*, %struct.q** %next.i6, align 8
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tail call void @llvm.dbg.value(metadata %struct.q* %q.0.i, metadata !38, metadata !DIExpression()), !dbg !42
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%tobool.i = icmp eq %struct.q* %q.0.i, null, !dbg !43
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br i1 %tobool.i, label %find.exit, label %while.body.i, !dbg !43, !llvm.loop !49
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find.exit: ; preds = %while.body.i, %if.end.i, %entry
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call void @llvm.dbg.value(metadata %struct.q* undef, metadata !29, metadata !DIExpression()), !dbg !61
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ret i32 undef, !dbg !62
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ret i32 undef, !dbg !52
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { noredzone nounwind readonly ssp }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!16, !17, !18, !19}
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!llvm.ident = !{!20}
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!llvm.module.flags = !{!16, !17, !18}
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!llvm.ident = !{!19}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "tt", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git cd3671d5dabc8848619d872f994770167a44ac5a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: GNU)
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!3 = !DIFile(filename: "inlined-arg.c", directory: "")
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 317516) (llvm/trunk 317518)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "test.i", directory: "/")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
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@ -106,47 +113,37 @@ declare void @llvm.dbg.value(metadata, metadata, metadata)
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!16 = !{i32 2, !"Dwarf Version", i32 2}
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!17 = !{i32 2, !"Debug Info Version", i32 3}
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!18 = !{i32 1, !"wchar_size", i32 4}
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!19 = !{i32 7, !"PIC Level", i32 2}
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!20 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git cd3671d5dabc8848619d872f994770167a44ac5a)"}
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!21 = distinct !DISubprogram(name: "g", scope: !3, file: !3, line: 19, type: !22, scopeLine: 19, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !26)
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!22 = !DISubroutineType(types: !23)
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!23 = !{!24, !25, !15}
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!24 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!25 = !DIDerivedType(tag: DW_TAG_typedef, name: "t_t", file: !3, line: 1, baseType: !6)
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!26 = !{!27, !28, !29}
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!27 = !DILocalVariable(name: "t", arg: 1, scope: !21, file: !3, line: 19, type: !25)
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!28 = !DILocalVariable(name: "r", arg: 2, scope: !21, file: !3, line: 19, type: !15)
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!29 = !DILocalVariable(name: "q", scope: !21, file: !3, line: 20, type: !10)
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!30 = !DILocation(line: 19, column: 11, scope: !21)
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!31 = !DILocation(line: 19, column: 33, scope: !21)
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!32 = !DILocalVariable(name: "t", arg: 1, scope: !33, file: !3, line: 10, type: !25)
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!33 = distinct !DISubprogram(name: "find", scope: !3, file: !3, line: 10, type: !34, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !36)
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!34 = !DISubroutineType(types: !35)
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!35 = !{!10, !25, !15}
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!36 = !{!32, !37, !38}
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!37 = !DILocalVariable(name: "resource", arg: 2, scope: !33, file: !3, line: 10, type: !15)
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!38 = !DILocalVariable(name: "q", scope: !33, file: !3, line: 11, type: !10)
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!39 = !DILocation(line: 10, column: 27, scope: !33, inlinedAt: !40)
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!40 = distinct !DILocation(line: 21, column: 7, scope: !21)
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!41 = !DILocation(line: 10, column: 49, scope: !33, inlinedAt: !40)
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!42 = !DILocation(line: 12, column: 10, scope: !33, inlinedAt: !40)
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!43 = !DILocation(line: 0, scope: !33, inlinedAt: !40)
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!44 = !{!45, !45, i64 0}
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!45 = !{!"any pointer", !46, i64 0}
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!46 = !{!"omnipotent char", !47, i64 0}
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!47 = !{!"Simple C/C++ TBAA"}
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!48 = !DILocation(line: 11, column: 13, scope: !33, inlinedAt: !40)
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!49 = !DILocation(line: 13, column: 3, scope: !33, inlinedAt: !40)
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!50 = !DILocation(line: 14, column: 12, scope: !51, inlinedAt: !40)
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!51 = distinct !DILexicalBlock(scope: !52, file: !3, line: 14, column: 9)
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!52 = distinct !DILexicalBlock(scope: !33, file: !3, line: 13, column: 13)
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!53 = !{!54, !55, i64 8}
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!54 = !{!"q", !45, i64 0, !55, i64 8}
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!55 = !{!"long long", !46, i64 0}
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!56 = !DILocation(line: 14, column: 21, scope: !51, inlinedAt: !40)
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!57 = !DILocation(line: 14, column: 9, scope: !52, inlinedAt: !40)
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!58 = !DILocation(line: 16, column: 12, scope: !52, inlinedAt: !40)
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!59 = distinct !{!59, !49, !60}
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!60 = !DILocation(line: 17, column: 3, scope: !33, inlinedAt: !40)
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!61 = !DILocation(line: 20, column: 13, scope: !21)
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!62 = !DILocation(line: 24, column: 1, scope: !21)
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!19 = !{!"clang version 6.0.0 (trunk 317516) (llvm/trunk 317518)"}
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!20 = distinct !DISubprogram(name: "g", scope: !3, file: !3, line: 18, type: !21, isLocal: false, isDefinition: true, scopeLine: 18, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !25)
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!21 = !DISubroutineType(types: !22)
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!22 = !{!23, !24, !15}
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!23 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!24 = !DIDerivedType(tag: DW_TAG_typedef, name: "t_t", file: !3, line: 1, baseType: !6)
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!25 = !{!26, !27, !28}
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!26 = !DILocalVariable(name: "t", arg: 1, scope: !20, file: !3, line: 18, type: !24)
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!27 = !DILocalVariable(name: "r", arg: 2, scope: !20, file: !3, line: 18, type: !15)
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!28 = !DILocalVariable(name: "q", scope: !20, file: !3, line: 19, type: !10)
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!29 = !DILocation(line: 18, column: 11, scope: !20)
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!30 = !DILocation(line: 18, column: 33, scope: !20)
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!31 = !DILocalVariable(name: "t", arg: 1, scope: !32, file: !3, line: 9, type: !24)
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!32 = distinct !DISubprogram(name: "find", scope: !3, file: !3, line: 9, type: !33, isLocal: true, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !36)
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!33 = !DISubroutineType(types: !34)
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!34 = !{!35, !24, !15}
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!35 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)
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!36 = !{!31, !37, !38}
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!37 = !DILocalVariable(name: "resource", arg: 2, scope: !32, file: !3, line: 9, type: !15)
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!38 = !DILocalVariable(name: "q", scope: !32, file: !3, line: 10, type: !10)
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!39 = !DILocation(line: 9, column: 31, scope: !32, inlinedAt: !40)
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!40 = distinct !DILocation(line: 20, column: 7, scope: !20)
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!41 = !DILocation(line: 9, column: 53, scope: !32, inlinedAt: !40)
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!42 = !DILocation(line: 10, column: 13, scope: !32, inlinedAt: !40)
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!43 = !DILocation(line: 12, column: 3, scope: !32, inlinedAt: !40)
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!44 = !DILocation(line: 13, column: 12, scope: !45, inlinedAt: !40)
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!45 = distinct !DILexicalBlock(scope: !46, file: !3, line: 13, column: 9)
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!46 = distinct !DILexicalBlock(scope: !32, file: !3, line: 12, column: 13)
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!47 = !DILocation(line: 13, column: 21, scope: !45, inlinedAt: !40)
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!48 = !DILocation(line: 13, column: 9, scope: !46, inlinedAt: !40)
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!49 = distinct !{!49, !50, !51}
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!50 = !DILocation(line: 12, column: 3, scope: !32)
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!51 = !DILocation(line: 16, column: 3, scope: !32)
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!52 = !DILocation(line: 24, column: 1, scope: !20)
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@ -40,19 +40,19 @@ define i1 @_Z43index_iteration_eq_variable_size_no_overlapPKcm(i8* nocapture %pt
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; CHECK: for.body:
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; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC]], [[FOR_COND:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ], !dbg !28
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I_015]], metadata !14, metadata !DIExpression()), !dbg !28
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_015]], !dbg !29
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX]], metadata !15, metadata !DIExpression()), !dbg !29
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; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]], !dbg !30
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V0]], metadata !16, metadata !DIExpression()), !dbg !30
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; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_015]], !dbg !31
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX1]], metadata !17, metadata !DIExpression()), !dbg !31
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; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]], !dbg !32
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V1]], metadata !18, metadata !DIExpression()), !dbg !32
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; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]], !dbg !33
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP3]], metadata !19, metadata !DIExpression()), !dbg !33
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; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1, !dbg !34
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INC]], metadata !20, metadata !DIExpression()), !dbg !34
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; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]], !dbg !25
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_015]], !dbg !25
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX]], metadata !15, metadata !DIExpression()), !dbg !25
|
||||
; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]], !dbg !29
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V0]], metadata !16, metadata !DIExpression()), !dbg !29
|
||||
; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_015]], !dbg !30
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX1]], metadata !17, metadata !DIExpression()), !dbg !30
|
||||
; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]], !dbg !31
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V1]], metadata !18, metadata !DIExpression()), !dbg !31
|
||||
; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]], !dbg !32
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP3]], metadata !19, metadata !DIExpression()), !dbg !32
|
||||
; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1, !dbg !33
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INC]], metadata !20, metadata !DIExpression()), !dbg !33
|
||||
; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]], !dbg !34
|
||||
; CHECK: cleanup.loopexit:
|
||||
; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ]
|
||||
; CHECK-NEXT: br label [[CLEANUP]], !dbg !35
|
||||
@ -100,19 +100,19 @@ define void @_Z16loop_within_loopmPPKcS1_Pm(i64 %outer_count, i8** %ptr0, i8** %
|
||||
; CHECK: for.body:
|
||||
; CHECK-NEXT: [[I_012:%.*]] = phi i64 [ [[INC:%.*]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ], !dbg !64
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I_012]], metadata !40, metadata !DIExpression()), !dbg !64
|
||||
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[PTR0:%.*]], i64 [[I_012]], !dbg !65
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8** [[ARRAYIDX]], metadata !41, metadata !DIExpression()), !dbg !65
|
||||
; CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAYIDX]], !dbg !66
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[T0]], metadata !42, metadata !DIExpression()), !dbg !66
|
||||
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i64, i64* [[COUNT:%.*]], i64 [[I_012]], !dbg !67
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64* [[ARRAYIDX2]], metadata !43, metadata !DIExpression()), !dbg !67
|
||||
; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX2]], !dbg !68
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[T1]], metadata !44, metadata !DIExpression()), !dbg !68
|
||||
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1]], !dbg !69
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ADD_PTR]], metadata !45, metadata !DIExpression()), !dbg !69
|
||||
; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1]], 0, !dbg !70
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP5_I_I]], metadata !46, metadata !DIExpression()), !dbg !70
|
||||
; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I_PREHEADER:%.*]], !dbg !62
|
||||
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[PTR0:%.*]], i64 [[I_012]], !dbg !62
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8** [[ARRAYIDX]], metadata !41, metadata !DIExpression()), !dbg !62
|
||||
; CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAYIDX]], !dbg !65
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[T0]], metadata !42, metadata !DIExpression()), !dbg !65
|
||||
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i64, i64* [[COUNT:%.*]], i64 [[I_012]], !dbg !66
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64* [[ARRAYIDX2]], metadata !43, metadata !DIExpression()), !dbg !66
|
||||
; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX2]], !dbg !67
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[T1]], metadata !44, metadata !DIExpression()), !dbg !67
|
||||
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1]], !dbg !68
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ADD_PTR]], metadata !45, metadata !DIExpression()), !dbg !68
|
||||
; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1]], 0, !dbg !69
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP5_I_I]], metadata !46, metadata !DIExpression()), !dbg !69
|
||||
; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I_PREHEADER:%.*]], !dbg !70
|
||||
; CHECK: for.body.i.i.preheader:
|
||||
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i8*, i8** [[PTR1:%.*]], i64 [[I_012]], !dbg !71
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8** [[ARRAYIDX3]], metadata !47, metadata !DIExpression()), !dbg !71
|
||||
|
||||
@ -24,16 +24,16 @@ define void @_Z15my_basic_memsetPcS_c(i8* %ptr, i8* %end, i8 %value) {
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = sub i64 0, [[PTR1]], !dbg !17
|
||||
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[END]], i64 [[TMP0]], !dbg !17
|
||||
; CHECK-NEXT: [[SCEVGEP2:%.*]] = ptrtoint i8* [[SCEVGEP]] to i64
|
||||
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[PTR]], i8 [[VALUE:%.*]], i64 [[SCEVGEP2]], i1 false), !dbg !18
|
||||
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[PTR]], i8 [[VALUE:%.*]], i64 [[SCEVGEP2]], i1 false), !dbg !17
|
||||
; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg !17
|
||||
; CHECK: for.body:
|
||||
; CHECK-NEXT: [[PTR_ADDR_04:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ], !dbg !19
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[PTR_ADDR_04]], metadata !11, metadata !DIExpression()), !dbg !19
|
||||
; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR_ADDR_04]], i64 1, !dbg !20
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[INCDEC_PTR]], metadata !13, metadata !DIExpression()), !dbg !20
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8* [[INCDEC_PTR]], [[END]], !dbg !21
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP]], metadata !14, metadata !DIExpression()), !dbg !21
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]], !dbg !17
|
||||
; CHECK-NEXT: [[PTR_ADDR_04:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ], !dbg !18
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[PTR_ADDR_04]], metadata !11, metadata !DIExpression()), !dbg !18
|
||||
; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR_ADDR_04]], i64 1, !dbg !19
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[INCDEC_PTR]], metadata !13, metadata !DIExpression()), !dbg !19
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8* [[INCDEC_PTR]], [[END]], !dbg !20
|
||||
; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP]], metadata !14, metadata !DIExpression()), !dbg !20
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]], !dbg !21
|
||||
; CHECK: for.end.loopexit:
|
||||
; CHECK-NEXT: br label [[FOR_END]], !dbg !22
|
||||
; CHECK: for.end:
|
||||
|
||||
@ -72,7 +72,7 @@ eh.resume: ; preds = %catch
|
||||
; Function Attrs: nounwind readnone
|
||||
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
||||
|
||||
; CHECK-DAG: [[PREHEADER_LOC]] = !DILocation(line: 73, column: 13, scope: !{{[0-9]+}})
|
||||
; CHECK-DAG: [[PREHEADER_LOC]] = !DILocation(line: 73, column: 27, scope: !{{[0-9]+}})
|
||||
; CHECK-DAG: [[LOOPEXIT_LOC]] = !DILocation(line: 75, column: 9, scope: !{{[0-9]+}})
|
||||
; CHECK-DAG: [[LPAD_PREHEADER_LOC]] = !DILocation(line: 85, column: 1, scope: !{{[0-9]+}})
|
||||
|
||||
|
||||
@ -1,122 +0,0 @@
|
||||
; Confirm that the line number for the do.body.preheader block
|
||||
; branch is the the start of the loop.
|
||||
|
||||
; RUN: opt -simplifycfg -loop-simplify -keep-loops="false" -S <%s | FileCheck %s
|
||||
|
||||
; CHECK: do.body.preheader:
|
||||
; CHECK-NEXT: phi
|
||||
; CHECK-NEXT: phi
|
||||
; CHECK-NEXT: br label %do.body, !dbg ![[DL:[0-9]+]]
|
||||
; CHECK: ![[DL]] = !DILocation(line: 4,
|
||||
|
||||
; This IR can be generated by running:
|
||||
; clang src.cpp -O2 -g -S -emit-llvm -mllvm -opt-bisect-limit=62 -o -
|
||||
;
|
||||
; Where src.cpp contains:
|
||||
; int foo(char *Bytes, int Count)
|
||||
; {
|
||||
; int Total = 0;
|
||||
; do
|
||||
; Total += Bytes[--Count];
|
||||
; while (Count);
|
||||
; return Total;
|
||||
; }
|
||||
|
||||
define dso_local i32 @"foo"(i8* nocapture readonly %Bytes, i32 %Count) local_unnamed_addr !dbg !8 {
|
||||
entry:
|
||||
%0 = sext i32 %Count to i64, !dbg !10
|
||||
%min.iters.check = icmp ult i32 %Count, 8, !dbg !10
|
||||
br i1 %min.iters.check, label %do.body.preheader, label %vector.ph, !dbg !10
|
||||
|
||||
vector.ph: ; preds = %entry
|
||||
%n.vec = and i64 %0, -8, !dbg !10
|
||||
%ind.end = sub nsw i64 %0, %n.vec, !dbg !10
|
||||
br label %vector.body, !dbg !10
|
||||
|
||||
vector.body: ; preds = %vector.body, %vector.ph
|
||||
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
||||
%vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %11, %vector.body ]
|
||||
%vec.phi5 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %12, %vector.body ]
|
||||
%1 = xor i64 %index, -1, !dbg !11
|
||||
%2 = add i64 %1, %0, !dbg !11
|
||||
%3 = getelementptr inbounds i8, i8* %Bytes, i64 %2, !dbg !11
|
||||
%4 = getelementptr inbounds i8, i8* %3, i64 -3, !dbg !11
|
||||
%5 = bitcast i8* %4 to <4 x i8>*, !dbg !11
|
||||
%wide.load = load <4 x i8>, <4 x i8>* %5, align 1, !dbg !11, !tbaa !12
|
||||
%reverse = shufflevector <4 x i8> %wide.load, <4 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>, !dbg !11
|
||||
%6 = getelementptr inbounds i8, i8* %3, i64 -4, !dbg !11
|
||||
%7 = getelementptr inbounds i8, i8* %6, i64 -3, !dbg !11
|
||||
%8 = bitcast i8* %7 to <4 x i8>*, !dbg !11
|
||||
%wide.load6 = load <4 x i8>, <4 x i8>* %8, align 1, !dbg !11, !tbaa !12
|
||||
%reverse7 = shufflevector <4 x i8> %wide.load6, <4 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>, !dbg !11
|
||||
%9 = sext <4 x i8> %reverse to <4 x i32>, !dbg !11
|
||||
%10 = sext <4 x i8> %reverse7 to <4 x i32>, !dbg !11
|
||||
%11 = add nsw <4 x i32> %vec.phi, %9, !dbg !11
|
||||
%12 = add nsw <4 x i32> %vec.phi5, %10, !dbg !11
|
||||
%index.next = add i64 %index, 8
|
||||
%13 = icmp eq i64 %index.next, %n.vec
|
||||
br i1 %13, label %middle.block, label %vector.body, !llvm.loop !15
|
||||
|
||||
middle.block: ; preds = %vector.body
|
||||
%.lcssa12 = phi <4 x i32> [ %11, %vector.body ], !dbg !11
|
||||
%.lcssa = phi <4 x i32> [ %12, %vector.body ], !dbg !11
|
||||
%bin.rdx = add <4 x i32> %.lcssa, %.lcssa12, !dbg !11
|
||||
%rdx.shuf = shufflevector <4 x i32> %bin.rdx, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>, !dbg !11
|
||||
%bin.rdx8 = add <4 x i32> %bin.rdx, %rdx.shuf, !dbg !11
|
||||
%rdx.shuf9 = shufflevector <4 x i32> %bin.rdx8, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>, !dbg !11
|
||||
%bin.rdx10 = add <4 x i32> %bin.rdx8, %rdx.shuf9, !dbg !11
|
||||
%14 = extractelement <4 x i32> %bin.rdx10, i32 0, !dbg !11
|
||||
%cmp.n = icmp eq i64 %n.vec, %0
|
||||
br i1 %cmp.n, label %do.end, label %do.body.preheader, !dbg !10
|
||||
|
||||
do.body.preheader: ; preds = %middle.block, %entry
|
||||
%indvars.iv.ph = phi i64 [ %0, %entry ], [ %ind.end, %middle.block ]
|
||||
%Total.0.ph = phi i32 [ 0, %entry ], [ %14, %middle.block ]
|
||||
br label %do.body, !dbg !11
|
||||
|
||||
do.body: ; preds = %do.body.preheader, %do.body
|
||||
%indvars.iv = phi i64 [ %indvars.iv.next, %do.body ], [ %indvars.iv.ph, %do.body.preheader ]
|
||||
%Total.0 = phi i32 [ %add, %do.body ], [ %Total.0.ph, %do.body.preheader ], !dbg !18
|
||||
%indvars.iv.next = add nsw i64 %indvars.iv, -1, !dbg !11
|
||||
%arrayidx = getelementptr inbounds i8, i8* %Bytes, i64 %indvars.iv.next, !dbg !11
|
||||
%15 = load i8, i8* %arrayidx, align 1, !dbg !11, !tbaa !12
|
||||
%conv = sext i8 %15 to i32, !dbg !11
|
||||
%add = add nsw i32 %Total.0, %conv, !dbg !11
|
||||
%16 = icmp eq i64 %indvars.iv.next, 0
|
||||
br i1 %16, label %do.end.loopexit, label %do.body, !dbg !11, !llvm.loop !19
|
||||
|
||||
do.end.loopexit: ; preds = %do.body
|
||||
%add.lcssa11 = phi i32 [ %add, %do.body ], !dbg !11
|
||||
br label %do.end, !dbg !21
|
||||
|
||||
do.end: ; preds = %do.end.loopexit, %middle.block
|
||||
%add.lcssa = phi i32 [ %14, %middle.block ], [ %add.lcssa11, %do.end.loopexit ], !dbg !11
|
||||
ret i32 %add.lcssa, !dbg !21
|
||||
}
|
||||
|
||||
!llvm.dbg.cu = !{!0}
|
||||
!llvm.module.flags = !{!3, !4, !5, !6}
|
||||
!llvm.ident = !{!7}
|
||||
|
||||
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None)
|
||||
!1 = !DIFile(filename: "src2.cpp", directory: "")
|
||||
!2 = !{}
|
||||
!3 = !{i32 2, !"CodeView", i32 1}
|
||||
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
!5 = !{i32 1, !"wchar_size", i32 2}
|
||||
!6 = !{i32 7, !"PIC Level", i32 2}
|
||||
!7 = !{!""}
|
||||
!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
|
||||
!9 = !DISubroutineType(types: !2)
|
||||
!10 = !DILocation(line: 4, scope: !8)
|
||||
!11 = !DILocation(line: 5, scope: !8)
|
||||
!12 = !{!13, !13, i64 0}
|
||||
!13 = !{!"omnipotent char", !14, i64 0}
|
||||
!14 = !{!"Simple C++ TBAA"}
|
||||
!15 = distinct !{!15, !10, !16, !17}
|
||||
!16 = !DILocation(line: 6, scope: !8)
|
||||
!17 = !{!"llvm.loop.isvectorized", i32 1}
|
||||
!18 = !DILocation(line: 0, scope: !8)
|
||||
!19 = distinct !{!19, !10, !16, !20, !17}
|
||||
!20 = !{!"llvm.loop.unroll.runtime.disable"}
|
||||
!21 = !DILocation(line: 7, scope: !8)
|
||||
@ -1,102 +0,0 @@
|
||||
; Confirm that the line number for the for.body.preheader block
|
||||
; branch is the the start of the loop.
|
||||
|
||||
; RUN: opt -simplifycfg -loop-simplify -S <%s | FileCheck %s
|
||||
;
|
||||
; CHECK: for.body.preheader:
|
||||
; CHECK-NEXT: br label %for.body, !dbg ![[DL:[0-9]+]]
|
||||
; CHECK: ![[DL]] = !DILocation(line: 8,
|
||||
|
||||
; This IR can be generated by running:
|
||||
; clang src.cpp -O0 -g -S -emit-llvm -Xclang -disable-O0-optnone -o - | \
|
||||
; opt -O2 -S -opt-bisect-limit=27 -o -
|
||||
;
|
||||
; Where src.cpp contains:
|
||||
; int foo(int count, int *bar)
|
||||
; {
|
||||
; if (count + 1 > 256)
|
||||
; return 0;
|
||||
;
|
||||
; int ret = count;
|
||||
; int tmp;
|
||||
; for (int j = 0; j < count; j++) {
|
||||
; tmp = bar[j];
|
||||
; ret += tmp;
|
||||
; }
|
||||
;
|
||||
; return ret;
|
||||
; }
|
||||
|
||||
define dso_local i32 @"foo"(i32 %count, i32* nocapture readonly %bar) local_unnamed_addr !dbg !8 {
|
||||
entry:
|
||||
%cmp = icmp sgt i32 %count, 255, !dbg !16
|
||||
br i1 %cmp, label %return, label %for.cond.preheader, !dbg !16
|
||||
|
||||
for.cond.preheader: ; preds = %entry
|
||||
%cmp16 = icmp slt i32 0, %count, !dbg !19
|
||||
br i1 %cmp16, label %for.body.lr.ph, label %return.loopexit, !dbg !19
|
||||
|
||||
for.body.lr.ph: ; preds = %for.cond.preheader
|
||||
br label %for.body, !dbg !19
|
||||
|
||||
for.body: ; preds = %for.body.lr.ph, %for.body
|
||||
%j.08 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
|
||||
%ret.07 = phi i32 [ %count, %for.body.lr.ph ], [ %add2, %for.body ]
|
||||
%0 = zext i32 %j.08 to i64, !dbg !22
|
||||
%arrayidx = getelementptr inbounds i32, i32* %bar, i64 %0, !dbg !22
|
||||
%1 = load i32, i32* %arrayidx, align 4, !dbg !22
|
||||
%add2 = add nsw i32 %1, %ret.07, !dbg !27
|
||||
%inc = add nuw nsw i32 %j.08, 1, !dbg !28
|
||||
%cmp1 = icmp slt i32 %inc, %count, !dbg !19
|
||||
br i1 %cmp1, label %for.body, label %for.cond.return.loopexit_crit_edge, !dbg !19, !llvm.loop !29
|
||||
|
||||
for.cond.return.loopexit_crit_edge: ; preds = %for.body
|
||||
%split = phi i32 [ %add2, %for.body ]
|
||||
br label %return.loopexit, !dbg !19
|
||||
|
||||
return.loopexit: ; preds = %for.cond.return.loopexit_crit_edge, %for.cond.preheader
|
||||
%ret.0.lcssa = phi i32 [ %split, %for.cond.return.loopexit_crit_edge ], [ %count, %for.cond.preheader ], !dbg !31
|
||||
br label %return, !dbg !32
|
||||
|
||||
return: ; preds = %return.loopexit, %entry
|
||||
%retval.0 = phi i32 [ 0, %entry ], [ %ret.0.lcssa, %return.loopexit ], !dbg !31
|
||||
ret i32 %retval.0, !dbg !32
|
||||
}
|
||||
|
||||
!llvm.dbg.cu = !{!0}
|
||||
!llvm.module.flags = !{!3, !4, !5, !6}
|
||||
!llvm.ident = !{!7}
|
||||
|
||||
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
|
||||
!1 = !DIFile(filename: "src.cpp", directory: "")
|
||||
!2 = !{}
|
||||
!3 = !{i32 2, !"CodeView", i32 1}
|
||||
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
!5 = !{i32 1, !"wchar_size", i32 2}
|
||||
!6 = !{i32 7, !"PIC Level", i32 2}
|
||||
!7 = !{!""}
|
||||
!8 = distinct !DISubprogram(name: "foo", linkageName: "?foo@@YAHHPEAH@Z", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
|
||||
!9 = !DISubroutineType(types: !10)
|
||||
!10 = !{!11, !11, !12}
|
||||
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||||
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
|
||||
!13 = !DILocalVariable(name: "bar", arg: 2, scope: !8, file: !1, line: 1, type: !12)
|
||||
!14 = !DILocation(line: 1, scope: !8)
|
||||
!15 = !DILocalVariable(name: "count", arg: 1, scope: !8, file: !1, line: 1, type: !11)
|
||||
!16 = !DILocation(line: 3, scope: !8)
|
||||
!17 = !DILocalVariable(name: "j", scope: !18, file: !1, line: 8, type: !11)
|
||||
!18 = distinct !DILexicalBlock(scope: !8, file: !1, line: 8)
|
||||
!19 = !DILocation(line: 8, scope: !18)
|
||||
!20 = !DILocalVariable(name: "ret", scope: !8, file: !1, line: 6, type: !11)
|
||||
!21 = !DILocation(line: 6, scope: !8)
|
||||
!22 = !DILocation(line: 9, scope: !23)
|
||||
!23 = distinct !DILexicalBlock(scope: !24, file: !1, line: 8)
|
||||
!24 = distinct !DILexicalBlock(scope: !18, file: !1, line: 8)
|
||||
!25 = !DILocalVariable(name: "tmp", scope: !8, file: !1, line: 7, type: !11)
|
||||
!26 = !DILocation(line: 7, scope: !8)
|
||||
!27 = !DILocation(line: 10, scope: !23)
|
||||
!28 = !DILocation(line: 8, scope: !24)
|
||||
!29 = distinct !{!29, !19, !30}
|
||||
!30 = !DILocation(line: 11, scope: !18)
|
||||
!31 = !DILocation(line: 0, scope: !8)
|
||||
!32 = !DILocation(line: 14, scope: !8)
|
||||
@ -10,29 +10,31 @@
|
||||
; EPILOG: for.body.preheader:
|
||||
; EPILOG: br i1 %1, label %for.end.loopexit.unr-lcssa, label %for.body.preheader.new, !dbg [[PH_LOC:![0-9]+]]
|
||||
; EPILOG: for.body:
|
||||
; EPILOG: br i1 %niter.ncmp.1, label %for.end.loopexit.unr-lcssa.loopexit, label %for.body, !dbg [[PH_LOC]]
|
||||
; EPILOG: br i1 %niter.ncmp.1, label %for.end.loopexit.unr-lcssa.loopexit, label %for.body, !dbg [[BODY_LOC:![0-9]+]]
|
||||
; EPILOG-NOT: br i1 %niter.ncmp.2, label %for.end.loopexit{{.*}}, label %for.body
|
||||
; EPILOG: for.body.epil.preheader:
|
||||
; EPILOG: br label %for.body.epil, !dbg [[PH_LOC]]
|
||||
; EPILOG: br label %for.body.epil, !dbg [[BODY_LOC]]
|
||||
; EPILOG: for.body.epil:
|
||||
; EPILOG: br label %for.end.loopexit.epilog-lcssa, !dbg [[PH_LOC]]
|
||||
; EPILOG: br label %for.end.loopexit.epilog-lcssa, !dbg [[BODY_LOC]]
|
||||
; EPILOG: for.end.loopexit:
|
||||
; EPILOG: br label %for.end, !dbg [[EXIT_LOC:![0-9]+]]
|
||||
|
||||
; EPILOG-DAG: [[PH_LOC]] = !DILocation(line: 102, column: 1, scope: !{{.*}})
|
||||
; EPILOG-DAG: [[PH_LOC]] = !DILocation(line: 101, column: 1, scope: !{{.*}})
|
||||
; EPILOG-DAG: [[BODY_LOC]] = !DILocation(line: 102, column: 1, scope: !{{.*}})
|
||||
; EPILOG-DAG: [[EXIT_LOC]] = !DILocation(line: 103, column: 1, scope: !{{.*}})
|
||||
|
||||
; PROLOG: for.body.preheader:
|
||||
; PROLOG: br {{.*}} label %for.body.prol.preheader, label %for.body.prol.loopexit, !dbg [[PH_LOC:![0-9]+]]
|
||||
; PROLOG: for.body.prol:
|
||||
; PROLOG: br label %for.body.prol.loopexit, !dbg [[PH_LOC:![0-9]+]]
|
||||
; PROLOG: br label %for.body.prol.loopexit, !dbg [[BODY_LOC:![0-9]+]]
|
||||
; PROLOG: for.body.prol.loopexit:
|
||||
; PROLOG: br {{.*}} label %for.end.loopexit, label %for.body.preheader.new, !dbg [[PH_LOC]]
|
||||
; PROLOG: for.body:
|
||||
; PROLOG: br i1 %exitcond.1, label %for.end.loopexit.unr-lcssa, label %for.body, !dbg [[PH_LOC]]
|
||||
; PROLOG: br i1 %exitcond.1, label %for.end.loopexit.unr-lcssa, label %for.body, !dbg [[BODY_LOC]]
|
||||
; PROLOG-NOT: br i1 %exitcond.4, label %for.end.loopexit{{.*}}, label %for.body
|
||||
|
||||
; PROLOG-DAG: [[PH_LOC]] = !DILocation(line: 102, column: 1, scope: !{{.*}})
|
||||
; PROLOG-DAG: [[PH_LOC]] = !DILocation(line: 101, column: 1, scope: !{{.*}})
|
||||
; PROLOG-DAG: [[BODY_LOC]] = !DILocation(line: 102, column: 1, scope: !{{.*}})
|
||||
|
||||
define i32 @test(i32* nocapture %a, i32 %n) nounwind uwtable readonly !dbg !6 {
|
||||
entry:
|
||||
|
||||
@ -16,15 +16,15 @@
|
||||
; }
|
||||
; }
|
||||
; File, line, and column should match those specified in the metadata
|
||||
; CHECK: remark: source.cpp:5:9: loop not vectorized: could not determine number of loop iterations
|
||||
; CHECK: remark: source.cpp:5:9: loop not vectorized
|
||||
; CHECK: remark: source.cpp:4:5: loop not vectorized: could not determine number of loop iterations
|
||||
; CHECK: remark: source.cpp:4:5: loop not vectorized
|
||||
|
||||
; void test_disabled(int *A, int Length) {
|
||||
; #pragma clang loop vectorize(disable) interleave(disable)
|
||||
; for (int i = 0; i < Length; i++)
|
||||
; A[i] = i;
|
||||
; }
|
||||
; CHECK: remark: source.cpp:12:8: loop not vectorized: vectorization and interleaving are explicitly disabled, or the loop has already been vectorized
|
||||
; CHECK: remark: source.cpp:13:5: loop not vectorized: vectorization and interleaving are explicitly disabled, or the loop has already been vectorized
|
||||
|
||||
; void test_array_bounds(int *A, int *B, int Length) {
|
||||
; #pragma clang loop vectorize(enable)
|
||||
@ -51,7 +51,7 @@
|
||||
; YAML: --- !Analysis
|
||||
; YAML-NEXT: Pass: loop-vectorize
|
||||
; YAML-NEXT: Name: CantComputeNumberOfIterations
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 5, Column: 9 }
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 4, Column: 5 }
|
||||
; YAML-NEXT: Function: _Z4testPii
|
||||
; YAML-NEXT: Args:
|
||||
; YAML-NEXT: - String: 'loop not vectorized: '
|
||||
@ -60,7 +60,7 @@
|
||||
; YAML-NEXT: --- !Missed
|
||||
; YAML-NEXT: Pass: loop-vectorize
|
||||
; YAML-NEXT: Name: MissedDetails
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 5, Column: 9 }
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 4, Column: 5 }
|
||||
; YAML-NEXT: Function: _Z4testPii
|
||||
; YAML-NEXT: Args:
|
||||
; YAML-NEXT: - String: loop not vectorized
|
||||
@ -68,7 +68,7 @@
|
||||
; YAML-NEXT: --- !Analysis
|
||||
; YAML-NEXT: Pass: loop-vectorize
|
||||
; YAML-NEXT: Name: AllDisabled
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 12, Column: 8 }
|
||||
; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 13, Column: 5 }
|
||||
; YAML-NEXT: Function: _Z13test_disabledPii
|
||||
; YAML-NEXT: Args:
|
||||
; YAML-NEXT: - String: 'loop not vectorized: vectorization and interleaving are explicitly disabled, or the loop has already been vectorized
|
||||
|
||||
@ -3,8 +3,8 @@
|
||||
; Verify analysis remarks are generated when interleaving is not beneficial.
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:5:17: the cost-model indicates that vectorization is not beneficial
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:5:17: the cost-model indicates that interleaving is not beneficial and is explicitly disabled or interleave count is set to 1
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:11:3: the cost-model indicates that vectorization is not beneficial
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:11:3: the cost-model indicates that interleaving is not beneficial
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:12:17: the cost-model indicates that vectorization is not beneficial
|
||||
; CHECK: remark: vectorization-remarks-profitable.c:12:17: the cost-model indicates that interleaving is not beneficial
|
||||
|
||||
; First loop.
|
||||
; #pragma clang loop interleave(disable) unroll(disable)
|
||||
|
||||
@ -14,11 +14,8 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
|
||||
; CHECK: add i64 %index, 2, !dbg ![[LOC]]
|
||||
; CHECK: icmp eq i64 %index.next, %n.vec, !dbg ![[LOC]]
|
||||
; CHECK: middle.block
|
||||
; CHECK: add <2 x i32> %{{.*}}, %rdx.shuf, !dbg ![[BR_LOC:[0-9]+]]
|
||||
; CHECK: extractelement <2 x i32> %bin.rdx, i32 0, !dbg ![[BR_LOC]]
|
||||
; CHECK: for.body
|
||||
; CHECK br i1{{.*}}, label %for.body,{{.*}}, !dbg ![[BR_LOC]],
|
||||
; CHECK: ![[BR_LOC]] = !DILocation(line: 5,
|
||||
; CHECK: add <2 x i32> %{{.*}}, %rdx.shuf, !dbg ![[LOC]]
|
||||
; CHECK: extractelement <2 x i32> %bin.rdx, i32 0, !dbg ![[LOC]]
|
||||
|
||||
define i32 @f(i32* nocapture %a, i32 %size) #0 !dbg !4 {
|
||||
entry:
|
||||
@ -41,7 +38,7 @@ for.body: ; preds = %for.body.lr.ph, %fo
|
||||
%indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22
|
||||
call void @llvm.dbg.value(metadata !{null}, metadata !16, metadata !DIExpression()), !dbg !22
|
||||
%lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22
|
||||
%exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !21
|
||||
%exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !22
|
||||
br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge, !dbg !21
|
||||
|
||||
for.cond.for.end_crit_edge: ; preds = %for.body
|
||||
|
||||
@ -1,87 +0,0 @@
|
||||
; Confirm that the line numbers for the middle.block operations are all the
|
||||
; same as the start of the loop.
|
||||
|
||||
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-interleave=4 <%s | FileCheck %s
|
||||
;
|
||||
; CHECK: middle.block:
|
||||
; CHECK-NEXT: %{{.*}}= add <4 x i32>{{.*}}, !dbg ![[DL:[0-9]+]]
|
||||
; CHECK-NEXT: %{{.*}}= add <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= add <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= shufflevector <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= add <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= shufflevector <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= add <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= extractelement <4 x i32>{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: %{{.*}}= icmp eq i64{{.*}}, !dbg ![[DL]]
|
||||
; CHECK-NEXT: br i1 %{{.*}}, !dbg ![[DL]]
|
||||
; CHECK: ![[DL]] = !DILocation(line: 5,
|
||||
|
||||
; This IR can be generated by running:
|
||||
; clang -gmlt -S src.cpp -emit-llvm -mllvm -opt-bisect-limit=56 -O2 -o -
|
||||
;
|
||||
; Where src.cpp contains:
|
||||
; int foo(int count, int *bar)
|
||||
; {
|
||||
; int ret = count;
|
||||
; int tmp;
|
||||
; for (int j = 0; j < count; j++) {
|
||||
; tmp = bar[j];
|
||||
; ret += tmp;
|
||||
; }
|
||||
;
|
||||
; return ret;
|
||||
; }
|
||||
|
||||
define dso_local i32 @"foo"(i32 %count, i32* nocapture readonly %bar) local_unnamed_addr !dbg !8 {
|
||||
entry:
|
||||
%cmp8 = icmp sgt i32 %count, 0, !dbg !10
|
||||
br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup, !dbg !10
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
%wide.trip.count = zext i32 %count to i64
|
||||
br label %for.body, !dbg !11
|
||||
|
||||
for.cond.cleanup.loopexit: ; preds = %for.body
|
||||
%add.lcssa = phi i32 [ %add, %for.body ], !dbg !12
|
||||
br label %for.cond.cleanup, !dbg !13
|
||||
|
||||
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
||||
%ret.0.lcssa = phi i32 [ %count, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ], !dbg !14
|
||||
ret i32 %ret.0.lcssa, !dbg !13
|
||||
|
||||
for.body: ; preds = %for.body, %for.body.preheader
|
||||
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
|
||||
%ret.09 = phi i32 [ %count, %for.body.preheader ], [ %add, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %bar, i64 %indvars.iv, !dbg !11
|
||||
%0 = load i32, i32* %arrayidx, align 4, !dbg !11, !tbaa !15
|
||||
%add = add nsw i32 %0, %ret.09, !dbg !12
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count, !dbg !10
|
||||
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body, !dbg !10, !llvm.loop !19
|
||||
}
|
||||
|
||||
!llvm.dbg.cu = !{!0}
|
||||
!llvm.module.flags = !{!3, !4, !5, !6}
|
||||
!llvm.ident = !{!7}
|
||||
|
||||
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None)
|
||||
!1 = !DIFile(filename: "src.cpp", directory: "")
|
||||
!2 = !{}
|
||||
!3 = !{i32 2, !"CodeView", i32 1}
|
||||
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
!5 = !{i32 1, !"wchar_size", i32 2}
|
||||
!6 = !{i32 7, !"PIC Level", i32 2}
|
||||
!7 = !{!""}
|
||||
!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
|
||||
!9 = !DISubroutineType(types: !2)
|
||||
!10 = !DILocation(line: 5, scope: !8)
|
||||
!11 = !DILocation(line: 6, scope: !8)
|
||||
!12 = !DILocation(line: 7, scope: !8)
|
||||
!13 = !DILocation(line: 10, scope: !8)
|
||||
!14 = !DILocation(line: 0, scope: !8)
|
||||
!15 = !{!16, !16, i64 0}
|
||||
!16 = !{!"int", !17, i64 0}
|
||||
!17 = !{!"omnipotent char", !18, i64 0}
|
||||
!18 = !{!"Simple C++ TBAA"}
|
||||
!19 = distinct !{!19, !10, !20}
|
||||
!20 = !DILocation(line: 8, scope: !8)
|
||||
@ -11,7 +11,7 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
||||
; 5 }
|
||||
; 6 }
|
||||
|
||||
; CHECK: remark: /tmp/kk.c:2:3: loop not vectorized: unsafe dependent memory operations in loop. Use #pragma loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
|
||||
; CHECK: remark: /tmp/kk.c:3:16: loop not vectorized: unsafe dependent memory operations in loop. Use #pragma loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
|
||||
|
||||
define void @success(i8* nocapture %A, i8* nocapture readonly %B, i8* nocapture %C, i8* nocapture readonly %D, i8* nocapture readonly %E, i32 %N) !dbg !6 {
|
||||
entry:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user