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https://github.com/RPCS3/llvm.git
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ccc38cc5e7
This patch reapplies r298620. The original patch was reverted because of two issues. First, the patch exposed a bug in InstCombine that caused the Chromium builds to fail (PR32414). This issue was fixed in r299017. Second, the patch introduced a bug in the vectorizer's scalars analysis that caused test suite builds to fail on SystemZ. The scalars analysis was too aggressive and marked a memory instruction scalar, even though it was going to be vectorized. This issue has been fixed in the current patch and several new test cases for the scalars analysis have been added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299770 91177308-0d34-0410-b5e6-96231b3b80d8
115 lines
7.7 KiB
LLVM
Executable File
115 lines
7.7 KiB
LLVM
Executable File
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loop-vectorize -S | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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; This test checks vector GEP before scatter.
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; The code bellow crashed due to destroyed SSA while incorrect vectorization of
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; the GEP.
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@d = global [10 x [10 x i32]] zeroinitializer, align 16
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@c = external global i32, align 4
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@a = external global i32, align 4
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@b = external global i64, align 8
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; Function Attrs: norecurse nounwind ssp uwtable
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define void @_Z3fn1v() #0 {
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; CHECK-LABEL: @_Z3fn1v(
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
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; CHECK-NEXT: [[VEC_IND:%.*]] = phi <16 x i64> [ <i64 8, i64 10, i64 12, i64 14, i64 16, i64 18, i64 20, i64 22, i64 24, i64 26, i64 28, i64 30, i64 32, i64 34, i64 36, i64 38>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
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; CHECK-NEXT: [[VEC_IND3:%.*]] = phi <16 x i64> [ <i64 0, i64 2, i64 4, i64 6, i64 8, i64 10, i64 12, i64 14, i64 16, i64 18, i64 20, i64 22, i64 24, i64 26, i64 28, i64 30>, %vector.ph ], [ [[VEC_IND_NEXT4:%.*]], %vector.body ]
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; CHECK-NEXT: [[TMP10:%.*]] = sub nsw <16 x i64> <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>, [[VEC_IND]]
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, <16 x i64> [[VEC_IND]]
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; CHECK-NEXT: [[TMP12:%.*]] = add nsw <16 x i64> [[TMP10]], [[VEC_IND3]]
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; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds [10 x i32], <16 x [10 x i32]*> [[TMP11]], <16 x i64> [[TMP12]], i64 0
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; CHECK-NEXT: call void @llvm.masked.scatter.v16i32(<16 x i32> <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>, <16 x i32*> [[TMP13]], i32 16, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: [[TMP14:%.*]] = or <16 x i64> [[VEC_IND3]], <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>
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; CHECK-NEXT: [[TMP15:%.*]] = add nsw <16 x i64> [[TMP10]], [[TMP14]]
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; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds [10 x i32], <16 x [10 x i32]*> [[TMP11]], <16 x i64> [[TMP15]], i64 0
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; CHECK-NEXT: call void @llvm.masked.scatter.v16i32(<16 x i32> <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>, <16 x i32*> [[TMP16]], i32 8, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 16
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; CHECK-NEXT: [[VEC_IND_NEXT]] = add <16 x i64> [[VEC_IND]], <i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32>
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; CHECK-NEXT: [[VEC_IND_NEXT4]] = add <16 x i64> [[VEC_IND3]], <i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32>
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; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
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;
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entry:
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%0 = load i32, i32* @c, align 4
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%cmp34 = icmp sgt i32 %0, 8
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br i1 %cmp34, label %for.body.lr.ph, label %for.cond.cleanup
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for.body.lr.ph: ; preds = %entry
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%1 = load i32, i32* @a, align 4
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%tobool = icmp eq i32 %1, 0
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%2 = load i64, i64* @b, align 8
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%mul = mul i64 %2, 4063299859190
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%tobool6 = icmp eq i64 %mul, 0
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%3 = sext i32 %0 to i64
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br i1 %tobool, label %for.body.us.preheader, label %for.body.preheader
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for.body.preheader: ; preds = %for.body.lr.ph
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br label %for.body
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for.body.us.preheader: ; preds = %for.body.lr.ph
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br label %for.body.us
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for.body.us: ; preds = %for.body.us.preheader, %for.cond.cleanup4.us-lcssa.us.us
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%indvars.iv78 = phi i64 [ %indvars.iv.next79, %for.cond.cleanup4.us-lcssa.us.us ], [ 8, %for.body.us.preheader ]
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%indvars.iv70 = phi i64 [ %indvars.iv.next71, %for.cond.cleanup4.us-lcssa.us.us ], [ 0, %for.body.us.preheader ]
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%4 = sub nsw i64 8, %indvars.iv78
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%add.ptr.us = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 %indvars.iv78
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%5 = add nsw i64 %4, %indvars.iv70
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%arraydecay.us.us.us = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %5, i64 0
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br i1 %tobool6, label %for.body5.us.us.us.preheader, label %for.body5.us.us48.preheader
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for.body5.us.us48.preheader: ; preds = %for.body.us
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store i32 8, i32* %arraydecay.us.us.us, align 16
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%indvars.iv.next66 = or i64 %indvars.iv70, 1
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%6 = add nsw i64 %4, %indvars.iv.next66
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%arraydecay.us.us55.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %6, i64 0
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store i32 8, i32* %arraydecay.us.us55.1, align 8
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br label %for.cond.cleanup4.us-lcssa.us.us
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for.body5.us.us.us.preheader: ; preds = %for.body.us
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store i32 7, i32* %arraydecay.us.us.us, align 16
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%indvars.iv.next73 = or i64 %indvars.iv70, 1
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%7 = add nsw i64 %4, %indvars.iv.next73
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%arraydecay.us.us.us.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr.us, i64 %7, i64 0
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store i32 7, i32* %arraydecay.us.us.us.1, align 8
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br label %for.cond.cleanup4.us-lcssa.us.us
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for.cond.cleanup4.us-lcssa.us.us: ; preds = %for.body5.us.us48.preheader, %for.body5.us.us.us.preheader
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%indvars.iv.next79 = add nuw nsw i64 %indvars.iv78, 2
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%cmp.us = icmp slt i64 %indvars.iv.next79, %3
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%indvars.iv.next71 = add nuw nsw i64 %indvars.iv70, 2
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br i1 %cmp.us, label %for.body.us, label %for.cond.cleanup.loopexit
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for.cond.cleanup.loopexit: ; preds = %for.cond.cleanup4.us-lcssa.us.us
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br label %for.cond.cleanup
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for.cond.cleanup.loopexit99: ; preds = %for.body
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit99, %for.cond.cleanup.loopexit, %entry
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ret void
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv95 = phi i64 [ %indvars.iv.next96, %for.body ], [ 8, %for.body.preheader ]
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%indvars.iv87 = phi i64 [ %indvars.iv.next88, %for.body ], [ 0, %for.body.preheader ]
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%8 = sub nsw i64 8, %indvars.iv95
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%add.ptr = getelementptr inbounds [10 x [10 x i32]], [10 x [10 x i32]]* @d, i64 0, i64 %indvars.iv95
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%9 = add nsw i64 %8, %indvars.iv87
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%arraydecay.us31 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr, i64 %9, i64 0
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store i32 8, i32* %arraydecay.us31, align 16
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%indvars.iv.next90 = or i64 %indvars.iv87, 1
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%10 = add nsw i64 %8, %indvars.iv.next90
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%arraydecay.us31.1 = getelementptr inbounds [10 x i32], [10 x i32]* %add.ptr, i64 %10, i64 0
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store i32 8, i32* %arraydecay.us31.1, align 8
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%indvars.iv.next96 = add nuw nsw i64 %indvars.iv95, 2
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%cmp = icmp slt i64 %indvars.iv.next96, %3
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%indvars.iv.next88 = add nuw nsw i64 %indvars.iv87, 2
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br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit99
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}
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attributes #0 = { norecurse nounwind ssp uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="knl" "target-features"="+adx,+aes,+avx,+avx2,+avx512cd,+avx512er,+avx512f,+avx512pf,+bmi,+bmi2,+cx16,+f16c,+fma,+fsgsbase,+fxsr,+lzcnt,+mmx,+movbe,+pclmul,+popcnt,+prefetchwt1,+rdrnd,+rdseed,+rtm,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsaveopt" "unsafe-fp-math"="false" "use-soft-float"="false" }
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