1 ; RUN: opt -passes=loop-load-elim -S < %s | FileCheck %s
2 ; Make sure it doesn't crash in new pass manager due to missing preheader.
3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5 define void @test(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i64 %N, i1 %C) {
7 br i1 %C, label %for.body, label %for.end
11 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
12 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
13 %load = load i32, i32* %arrayidx, align 4
14 %arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
15 %load_1 = load i32, i32* %arrayidx2, align 4
16 %add = add i32 %load_1, %load
17 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
18 %arrayidx_next = getelementptr inbounds i32, i32* %A, i64 %indvars.iv.next
19 store i32 %add, i32* %arrayidx_next, align 4
20 %exitcond = icmp eq i64 %indvars.iv.next, %N
21 br i1 %exitcond, label %for.end, label %for.body