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| author | Adam Nemet <anemet@apple.com> | 2015-02-18 03:43:32 +0000 |
|---|---|---|
| committer | Adam Nemet <anemet@apple.com> | 2015-02-18 03:43:32 +0000 |
| commit | 47985fb7cdfbc3afb7f17cece47fb42ad9ea572f (patch) | |
| tree | db50219477b24396329da1762e411d5be547cb37 | |
| parent | 718b0230335beb99518719ca3af81d3cdec9e864 (diff) | |
[LoopAccesses] Modify test to also check symbolic strides with memchecks
See the comment in the code.
This is part of the patchset that converts LoopAccessAnalysis into an
actual analysis pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229627 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/LoopVectorize/version-mem-access.ll | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/test/Transforms/LoopVectorize/version-mem-access.ll b/test/Transforms/LoopVectorize/version-mem-access.ll index 7ac2fca2533..37145aaa092 100644 --- a/test/Transforms/LoopVectorize/version-mem-access.ll +++ b/test/Transforms/LoopVectorize/version-mem-access.ll @@ -2,10 +2,16 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +; Check that we version this loop with speculating the value 1 for symbolic +; strides. This also checks that the symbolic stride information is correctly +; propagated to the memcheck generation. Without this the loop wouldn't +; vectorize because we couldn't determine the array bounds for the required +; memchecks. + ; CHECK-LABEL: test -define void @test(i32* noalias %A, i64 %AStride, - i32* noalias %B, i32 %BStride, - i32* noalias %C, i64 %CStride, i32 %N) { +define void @test(i32* %A, i64 %AStride, + i32* %B, i32 %BStride, + i32* %C, i64 %CStride, i32 %N) { entry: %cmp13 = icmp eq i32 %N, 0 br i1 %cmp13, label %for.end, label %for.body.preheader |