diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/LoopVectorize/runtime-check.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/runtime-check.ll b/test/Transforms/LoopVectorize/runtime-check.ll new file mode 100644 index 0000000000..23933cf7c7 --- /dev/null +++ b/test/Transforms/LoopVectorize/runtime-check.ll @@ -0,0 +1,36 @@ +; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce -instcombine -licm -S | 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-macosx10.9.0" + +; Make sure we vectorize this loop: +; int foo(float *a, float *b, int n) { +; for (int i=0; i<n; ++i) +; a[i] = b[i] * 3; +; } + +;CHECK: load <4 x float> +define i32 @foo(float* nocapture %a, float* nocapture %b, i32 %n) nounwind uwtable ssp { +entry: + %cmp6 = icmp sgt i32 %n, 0 + br i1 %cmp6, label %for.body, label %for.end + +for.body: ; preds = %entry, %for.body + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] + %arrayidx = getelementptr inbounds float* %b, i64 %indvars.iv + %0 = load float* %arrayidx, align 4, !tbaa !0 + %mul = fmul float %0, 3.000000e+00 + %arrayidx2 = getelementptr inbounds float* %a, i64 %indvars.iv + store float %mul, float* %arrayidx2, align 4, !tbaa !0 + %indvars.iv.next = add 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, label %for.body + +for.end: ; preds = %for.body, %entry + ret i32 undef +} + +!0 = metadata !{metadata !"float", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA"} |