1 ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
3 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"
4 target triple = "x86_64-apple-macosx10.8.0"
6 ;CHECK: fadd fast <4 x float>
8 define float @foo(float* nocapture %A, i32* nocapture %n) nounwind uwtable readonly ssp {
12 for.body: ; preds = %for.body, %entry
13 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
14 %sum.04 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
15 %arrayidx = getelementptr inbounds float* %A, i64 %indvars.iv
16 %0 = load float* %arrayidx, align 4
17 %add = fadd fast float %sum.04, %0
18 %indvars.iv.next = add i64 %indvars.iv, 1
19 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
20 %exitcond = icmp eq i32 %lftr.wideiv, 200
21 br i1 %exitcond, label %for.end, label %for.body
23 for.end: ; preds = %for.body
27 ;CHECK-LABEL: @foosub(
28 ;CHECK: fsub fast <4 x float>
30 define float @foosub(float* nocapture %A, i32* nocapture %n) nounwind uwtable readonly ssp {
34 for.body: ; preds = %for.body, %entry
35 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
36 %sum.04 = phi float [ 0.000000e+00, %entry ], [ %sub, %for.body ]
37 %arrayidx = getelementptr inbounds float* %A, i64 %indvars.iv
38 %0 = load float* %arrayidx, align 4
39 %sub = fsub fast float %sum.04, %0
40 %indvars.iv.next = add i64 %indvars.iv, 1
41 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
42 %exitcond = icmp eq i32 %lftr.wideiv, 200
43 br i1 %exitcond, label %for.end, label %for.body
45 for.end: ; preds = %for.body