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; RUN: opt -loop-idiom < %s -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @ff()
define void @test(i8* noalias nocapture %base, i64 %size) #1 {
entry:
%cmp3 = icmp eq i64 %size, 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
; CHECK-LABEL: @test(
; CHECK-NOT: llvm.memset
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
tail call void @ff()
%arrayidx = getelementptr inbounds i8, i8* %base, i64 %indvars.iv
store i8 0, i8* %arrayidx, align 1
%indvars.iv.next = add i64 %indvars.iv, 1
%exitcond = icmp ne i64 %indvars.iv.next, %size
br i1 %exitcond, label %for.body, label %for.end.loopexit
for.end.loopexit: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.end.loopexit, %entry
ret void
}
attributes #1 = { uwtable }
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