1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt %s -passes=loop-vectorize -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
5 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"
6 target triple = "x86_64-apple-macosx10.8.0"
8 ; CHECK: Found an estimated cost of 1 for VF 1 For instruction: %neg = fneg float %{{.*}}
9 ; CHECK: Cost of 1 for VF 2: WIDEN ir<%neg> = fneg ir<%0>
10 ; CHECK: Cost of 1 for VF 4: WIDEN ir<%neg> = fneg ir<%0>
11 define void @fneg_cost(ptr %a, i64 %n) {
14 for.body: ; preds = %for.body.preheader, %for.body
15 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
16 %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv
17 %0 = load float, ptr %arrayidx, align 4
19 store float %neg, ptr %arrayidx, align 4
20 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
21 %cmp = icmp eq i64 %indvars.iv.next, %n
22 br i1 %cmp, label %for.end, label %for.body