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; RUN: opt -passes=loop-vectorize -S -mcpu=core-avx2 < %s | FileCheck %s
;float inc = 0.5;
;void foo(ptr A, unsigned N) {
;
; for (unsigned i=0; i<N; i++){
; A[i] += inc;
; }
;}
; CHECK-LABEL: foo
; CHECK: vector.body
; CHECK: load <8 x float>
; CHECK: fadd <8 x float>
; CHECK: store <8 x float>
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@inc = global float 5.000000e-01, align 4
define void @foo(ptr nocapture %A, i32 %N) #0 {
entry:
%cmp3 = icmp eq i32 %N, 0
br i1 %cmp3, label %for.end, label %for.body.preheader
for.body.preheader: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
%0 = load float, ptr @inc, align 4
%arrayidx = getelementptr inbounds float, ptr %A, i64 %indvars.iv
%1 = load float, ptr %arrayidx, align 4
%add = fadd float %0, %1
store float %add, ptr %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, %N
br i1 %exitcond, label %for.end.loopexit, label %for.body
for.end.loopexit: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.end.loopexit, %entry
ret void
}
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