| ; 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 10 for VF 2 For instruction: %conv = uitofp i64 %tmp to double |
| ; CHECK: cost of 20 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, i64* %a, i64 %indvars.iv |
| %tmp = load i64, i64* %arrayidx, align 4 |
| %conv = uitofp i64 %tmp to double |
| %arrayidx2 = getelementptr inbounds double, 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 |
| } |