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f494fe59f5
Summary: findBetterNeighborChains does not handle volatile or indexed stores. However, it did not check when adding stores to ChainedStores. Reviewers: arsenm Differential Revision: http://reviews.llvm.org/D16463 llvm-svn: 259024
44 lines
1.5 KiB
LLVM
44 lines
1.5 KiB
LLVM
; RUN: llc < %s -march=arm64
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; Make sure we are not crashing on this test.
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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declare void @extern(i8*)
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #0
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; Function Attrs: nounwind
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define void @func(float* noalias %arg, i32* noalias %arg1, i8* noalias %arg2, i8* noalias %arg3) #1 {
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bb:
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%tmp = getelementptr inbounds i8, i8* %arg2, i64 88
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tail call void @llvm.memset.p0i8.i64(i8* noalias %arg2, i8 0, i64 40, i32 8, i1 false)
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store i8 0, i8* %arg3
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store i8 2, i8* %arg2
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store float 0.000000e+00, float* %arg
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%tmp4 = bitcast i8* %tmp to <4 x float>*
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store volatile <4 x float> zeroinitializer, <4 x float>* %tmp4
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store i32 5, i32* %arg1
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tail call void @extern(i8* %tmp)
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ret void
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}
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; Function Attrs: nounwind
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define void @func2(float* noalias %arg, i32* noalias %arg1, i8* noalias %arg2, i8* noalias %arg3) #1 {
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bb:
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%tmp = getelementptr inbounds i8, i8* %arg2, i64 88
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tail call void @llvm.memset.p0i8.i64(i8* noalias %arg2, i8 0, i64 40, i32 8, i1 false)
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store i8 0, i8* %arg3
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store i8 2, i8* %arg2
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store float 0.000000e+00, float* %arg
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%tmp4 = bitcast i8* %tmp to <4 x float>*
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store <4 x float> zeroinitializer, <4 x float>* %tmp4
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store i32 5, i32* %arg1
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tail call void @extern(i8* %tmp)
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ret void
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}
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attributes #0 = { argmemonly nounwind }
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attributes #1 = { nounwind "target-cpu"="cortex-a53" }
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