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. 3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 5define void @test(ptr noalias nocapture %A, ptr noalias nocapture readonly %B, i64 %N, i1 %C) { 6entry: 7 br i1 %C, label %for.body, label %for.end 8 9; CHECK: test 10for.body: 11 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 12 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv 13 %load = load i32, ptr %arrayidx, align 4 14 %arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv 15 %load_1 = load i32, ptr %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, ptr %A, i64 %indvars.iv.next 19 store i32 %add, ptr %arrayidx_next, align 4 20 %exitcond = icmp eq i64 %indvars.iv.next, %N 21 br i1 %exitcond, label %for.end, label %for.body 22 23for.end: 24 ret void 25} 26