diff options
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 +} |