blob: 554b9e789ac55bef35fd34db8dff67962740ff44 [file] [log] [blame]
; RUN: opt -passes=loop-load-elim -S < %s | FileCheck %s
; Make sure it doesn't crash in new pass manager due to missing preheader.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
define void @test(ptr noalias nocapture %A, ptr noalias nocapture readonly %B, i64 %N, i1 %C) {
entry:
br i1 %C, label %for.body, label %for.end
; CHECK: test
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
%load = load i32, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv
%load_1 = load i32, ptr %arrayidx2, align 4
%add = add i32 %load_1, %load
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%arrayidx_next = getelementptr inbounds i32, ptr %A, i64 %indvars.iv.next
store i32 %add, ptr %arrayidx_next, align 4
%exitcond = icmp eq i64 %indvars.iv.next, %N
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret void
}