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; RUN: opt -S -basicaa -loop-vectorize < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
define i32 @accum(i32* nocapture readonly %x, i32 %N) #0 {
entry:
; CHECK-LABEL: @accum
; CHECK-NOT: x i32>
%cmp1 = icmp sgt i32 %N, 0
br i1 %cmp1, label %for.inc.preheader, label %for.end
for.inc.preheader:
br label %for.inc
for.inc:
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.inc.preheader ]
%sum.02 = phi i32 [ %add, %for.inc ], [ 0, %for.inc.preheader ]
%arrayidx = getelementptr inbounds i32, i32* %x, i64 %indvars.iv
%0 = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %0, %sum.02
%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.inc
for.end.loopexit:
%add.lcssa = phi i32 [ %add, %for.inc ]
br label %for.end
for.end:
%sum.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %for.end.loopexit ]
ret i32 %sum.0.lcssa
; CHECK: ret i32
}
attributes #0 = { "target-cpu"="core2" "target-features"="+sse,-avx,-avx2,-sse2" }
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