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39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
188 lines
4.9 KiB
LLVM
188 lines
4.9 KiB
LLVM
; RUN: opt < %s -basicaa -tbaa -licm -S | FileCheck %s
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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@X = global i32 7 ; <i32*> [#uses=4]
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define void @test1(i32 %i) {
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Entry:
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br label %Loop
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; CHECK-LABEL: @test1(
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; CHECK: Entry:
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; CHECK-NEXT: load i32* @X
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; CHECK-NEXT: br label %Loop
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Loop: ; preds = %Loop, %0
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%j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] ; <i32> [#uses=1]
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%x = load i32* @X ; <i32> [#uses=1]
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%x2 = add i32 %x, 1 ; <i32> [#uses=1]
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store i32 %x2, i32* @X
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%Next = add i32 %j, 1 ; <i32> [#uses=2]
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%cond = icmp eq i32 %Next, 0 ; <i1> [#uses=1]
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br i1 %cond, label %Out, label %Loop
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Out:
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ret void
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; CHECK: Out:
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; CHECK-NEXT: store i32 %x2, i32* @X
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; CHECK-NEXT: ret void
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}
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define void @test2(i32 %i) {
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Entry:
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br label %Loop
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; CHECK-LABEL: @test2(
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; CHECK: Entry:
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; CHECK-NEXT: %.promoted = load i32* getelementptr inbounds (i32* @X, i64 1)
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; CHECK-NEXT: br label %Loop
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Loop: ; preds = %Loop, %0
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%X1 = getelementptr i32* @X, i64 1 ; <i32*> [#uses=1]
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%A = load i32* %X1 ; <i32> [#uses=1]
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%V = add i32 %A, 1 ; <i32> [#uses=1]
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%X2 = getelementptr i32* @X, i64 1 ; <i32*> [#uses=1]
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store i32 %V, i32* %X2
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br i1 false, label %Loop, label %Exit
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Exit: ; preds = %Loop
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ret void
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; CHECK: Exit:
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; CHECK-NEXT: store i32 %V, i32* getelementptr inbounds (i32* @X, i64 1)
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; CHECK-NEXT: ret void
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}
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define void @test3(i32 %i) {
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; CHECK-LABEL: @test3(
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br label %Loop
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Loop:
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; Should not promote this to a register
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%x = load volatile i32* @X
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%x2 = add i32 %x, 1
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store i32 %x2, i32* @X
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br i1 true, label %Out, label %Loop
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; CHECK: Loop:
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; CHECK-NEXT: load volatile
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Out: ; preds = %Loop
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ret void
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}
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; PR8041
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define void @test4(i8* %x, i8 %n) {
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; CHECK-LABEL: @test4(
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%handle1 = alloca i8*
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%handle2 = alloca i8*
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store i8* %x, i8** %handle1
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br label %loop
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loop:
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%tmp = getelementptr i8* %x, i64 8
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store i8* %tmp, i8** %handle2
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br label %subloop
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subloop:
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%count = phi i8 [ 0, %loop ], [ %nextcount, %subloop ]
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%offsetx2 = load i8** %handle2
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store i8 %n, i8* %offsetx2
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%newoffsetx2 = getelementptr i8* %offsetx2, i64 -1
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store i8* %newoffsetx2, i8** %handle2
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%nextcount = add i8 %count, 1
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%innerexitcond = icmp sge i8 %nextcount, 8
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br i1 %innerexitcond, label %innerexit, label %subloop
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; Should have promoted 'handle2' accesses.
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; CHECK: subloop:
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; CHECK-NEXT: phi i8* [
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; CHECK-NEXT: %count = phi i8 [
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; CHECK-NEXT: store i8 %n
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; CHECK-NOT: store
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; CHECK: br i1
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innerexit:
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%offsetx1 = load i8** %handle1
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%val = load i8* %offsetx1
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%cond = icmp eq i8 %val, %n
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br i1 %cond, label %exit, label %loop
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; Should not have promoted offsetx1 loads.
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; CHECK: innerexit:
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; CHECK: %val = load i8* %offsetx1
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; CHECK: %cond = icmp eq i8 %val, %n
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; CHECK: br i1 %cond, label %exit, label %loop
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exit:
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ret void
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}
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define void @test5(i32 %i, i32** noalias %P2) {
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Entry:
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br label %Loop
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; CHECK-LABEL: @test5(
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; CHECK: Entry:
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; CHECK-NEXT: load i32* @X
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; CHECK-NEXT: br label %Loop
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Loop: ; preds = %Loop, %0
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%j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] ; <i32> [#uses=1]
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%x = load i32* @X ; <i32> [#uses=1]
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%x2 = add i32 %x, 1 ; <i32> [#uses=1]
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store i32 %x2, i32* @X
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store volatile i32* @X, i32** %P2
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%Next = add i32 %j, 1 ; <i32> [#uses=2]
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%cond = icmp eq i32 %Next, 0 ; <i1> [#uses=1]
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br i1 %cond, label %Out, label %Loop
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Out:
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ret void
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; CHECK: Out:
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; CHECK-NEXT: store i32 %x2, i32* @X
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; CHECK-NEXT: ret void
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}
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; PR14753 - Preserve TBAA tags when promoting values in a loop.
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define void @test6(i32 %n, float* nocapture %a, i32* %gi) {
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entry:
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store i32 0, i32* %gi, align 4, !tbaa !0
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%cmp1 = icmp slt i32 0, %n
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br i1 %cmp1, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%storemerge2 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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%idxprom = sext i32 %storemerge2 to i64
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%arrayidx = getelementptr inbounds float* %a, i64 %idxprom
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store float 0.000000e+00, float* %arrayidx, align 4, !tbaa !3
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%0 = load i32* %gi, align 4, !tbaa !0
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%inc = add nsw i32 %0, 1
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store i32 %inc, i32* %gi, align 4, !tbaa !0
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%cmp = icmp slt i32 %inc, %n
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br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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ret void
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; CHECK: for.body.lr.ph:
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; CHECK-NEXT: %gi.promoted = load i32* %gi, align 4, !tbaa !0
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; CHECK: for.cond.for.end_crit_edge:
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; CHECK-NEXT: store i32 %inc, i32* %gi, align 4, !tbaa !0
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}
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!0 = metadata !{metadata !"int", metadata !1}
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!1 = metadata !{metadata !"omnipotent char", metadata !2}
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!2 = metadata !{metadata !"Simple C/C++ TBAA"}
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!3 = metadata !{metadata !"float", metadata !1}
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