1 ; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S -debug-only=loop-vectorize 2>&1 | FileCheck %s 2 ; REQUIRES: asserts 3 4 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" 5 target triple = "x86_64-apple-macosx10.8.0" 6 7 8 ; CHECK: cost of 20 for VF 2 For instruction: %conv = uitofp i64 %tmp to double 9 ; CHECK: cost of 40 for VF 4 For instruction: %conv = uitofp i64 %tmp to double 10 define void @uint64_to_double_cost(i64* noalias nocapture %a, double* noalias nocapture readonly %b) nounwind { 11 entry: 12 br label %for.body 13 for.body: 14 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 15 %arrayidx = getelementptr inbounds i64, i64* %a, i64 %indvars.iv 16 %tmp = load i64, i64* %arrayidx, align 4 17 %conv = uitofp i64 %tmp to double 18 %arrayidx2 = getelementptr inbounds double, double* %b, i64 %indvars.iv 19 store double %conv, double* %arrayidx2, align 4 20 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 21 %exitcond = icmp eq i64 %indvars.iv.next, 256 22 br i1 %exitcond, label %for.end, label %for.body 23 24 for.end: 25 ret void 26 } 27
