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author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
commit | c6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch) | |
tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/Transforms/LoopVectorize/X86/avx512.ll | |
parent | 19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff) | |
download | external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.zip external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.gz external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.bz2 |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/Transforms/LoopVectorize/X86/avx512.ll')
-rw-r--r-- | test/Transforms/LoopVectorize/X86/avx512.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/X86/avx512.ll b/test/Transforms/LoopVectorize/X86/avx512.ll new file mode 100644 index 0000000..a220866 --- /dev/null +++ b/test/Transforms/LoopVectorize/X86/avx512.ll @@ -0,0 +1,35 @@ +; RUN: opt -mattr=+avx512f --loop-vectorize -S < %s | llc -mattr=+avx512f | FileCheck %s + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.9.0" + +; Verify that we generate 512-bit wide vectors for a basic integer memset +; loop. + +; CHECK-LABEL: f: +; CHECK: vmovdqu32 %zmm{{.}}, ( +; CHECK-NOT: %ymm + +define void @f(i32* %a, i32 %n) { +entry: + %cmp4 = icmp sgt i32 %n, 0 + br i1 %cmp4, label %for.body.preheader, label %for.end + +for.body.preheader: ; preds = %entry + br label %for.body + +for.body: ; preds = %for.body.preheader, %for.body + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] + %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv + store i32 %n, i32* %arrayidx, align 4 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, %n + br i1 %exitcond, label %for.end.loopexit, label %for.body + +for.end.loopexit: ; preds = %for.body + br label %for.end + +for.end: ; preds = %for.end.loopexit, %entry + ret void +} |