diff options
Diffstat (limited to 'test/Transforms/LoopVectorize/float-reduction.ll')
-rw-r--r-- | test/Transforms/LoopVectorize/float-reduction.ll | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/test/Transforms/LoopVectorize/float-reduction.ll b/test/Transforms/LoopVectorize/float-reduction.ll index 0dfbab0..0f064ee 100644 --- a/test/Transforms/LoopVectorize/float-reduction.ll +++ b/test/Transforms/LoopVectorize/float-reduction.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s +; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -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-macosx10.8.0" @@ -23,3 +23,25 @@ for.body: ; preds = %for.body, %entry for.end: ; preds = %for.body ret float %add } + +;CHECK-LABEL: @foosub( +;CHECK: fsub fast <4 x float> +;CHECK: ret +define float @foosub(float* nocapture %A, i32* nocapture %n) nounwind uwtable readonly ssp { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %sum.04 = phi float [ 0.000000e+00, %entry ], [ %sub, %for.body ] + %arrayidx = getelementptr inbounds float* %A, i64 %indvars.iv + %0 = load float* %arrayidx, align 4 + %sub = fsub fast float %sum.04, %0 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 200 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret float %sub +} |