diff options
| author | Nadav Rotem <nrotem@apple.com> | 2013-04-10 19:41:36 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-04-10 19:41:36 +0000 |
| commit | 4b924d3a61442fb70773057d40789ed1e3187a77 (patch) | |
| tree | a9bfc1ec415b646ae558ad8b1fcda68fa9860b63 /test/Transforms/SLPVectorizer | |
| parent | 20cd5e68626ff1af698201fb34f86a59e15c2ff8 (diff) | |
| download | external_llvm-4b924d3a61442fb70773057d40789ed1e3187a77.zip external_llvm-4b924d3a61442fb70773057d40789ed1e3187a77.tar.gz external_llvm-4b924d3a61442fb70773057d40789ed1e3187a77.tar.bz2 | |
Make the SLP store-merger less paranoid about function calls. We check for function calls when we check if it is safe to sink instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SLPVectorizer')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/barriercall.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/barriercall.ll b/test/Transforms/SLPVectorizer/X86/barriercall.ll new file mode 100644 index 0000000..f520e12 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/barriercall.ll @@ -0,0 +1,40 @@ +; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.8.0" + +;CHECK: @foo +;CHECK: store <4 x i32> +;CHECK: ret +define i32 @foo(i32* nocapture %A, i32 %n) #0 { +entry: + %call = tail call i32 (...)* @bar() #2 + %mul = mul nsw i32 %n, 5 + %add = add nsw i32 %mul, 9 + store i32 %add, i32* %A, align 4, !tbaa !0 + %mul1 = mul nsw i32 %n, 9 + %add2 = add nsw i32 %mul1, 9 + %arrayidx3 = getelementptr inbounds i32* %A, i64 1 + store i32 %add2, i32* %arrayidx3, align 4, !tbaa !0 + %mul4 = shl i32 %n, 3 + %add5 = add nsw i32 %mul4, 9 + %arrayidx6 = getelementptr inbounds i32* %A, i64 2 + store i32 %add5, i32* %arrayidx6, align 4, !tbaa !0 + %mul7 = mul nsw i32 %n, 10 + %add8 = add nsw i32 %mul7, 9 + %arrayidx9 = getelementptr inbounds i32* %A, i64 3 + store i32 %add8, i32* %arrayidx9, align 4, !tbaa !0 + ret i32 undef +} + + ; We can still vectorize the stores below. + +declare i32 @bar(...) #1 + +attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { nounwind } + +!0 = metadata !{metadata !"int", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA"} |