diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/uint64_to_fp64-cost-model.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/uint64_to_fp64-cost-model.ll b/llvm/test/Transforms/LoopVectorize/X86/uint64_to_fp64-cost-model.ll new file mode 100644 index 00000000000..86c32b2d2ee --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/X86/uint64_to_fp64-cost-model.ll @@ -0,0 +1,26 @@ +; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S -debug-only=loop-vectorize 2>&1 | FileCheck %s +; REQUIRES: asserts + +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" + + +; CHECK: cost of 20 for VF 2 For instruction: %conv = uitofp i64 %tmp to double +; CHECK: cost of 40 for VF 4 For instruction: %conv = uitofp i64 %tmp to double +define void @uint64_to_double_cost(i64* noalias nocapture %a, double* noalias nocapture readonly %b) nounwind { +entry: + br label %for.body +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds i64* %a, i64 %indvars.iv + %tmp = load i64* %arrayidx, align 4 + %conv = uitofp i64 %tmp to double + %arrayidx2 = getelementptr inbounds double* %b, i64 %indvars.iv + store double %conv, double* %arrayidx2, align 4 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 256 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} |
