| ; RUN: opt -S -loop-idiom < %s |
| ; Don't crash |
| ; PR13892 |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @test(i32* %currMB) nounwind uwtable { |
| entry: |
| br i1 undef, label %start.exit, label %if.then.i |
| |
| if.then.i: ; preds = %entry |
| unreachable |
| |
| start.exit: ; preds = %entry |
| indirectbr i8* undef, [label %0, label %for.bodyprime] |
| |
| ; <label>:0 ; preds = %start.exit |
| unreachable |
| |
| for.bodyprime: ; preds = %for.bodyprime, %start.exit |
| %i.057375 = phi i32 [ 0, %start.exit ], [ %1, %for.bodyprime ] |
| %arrayidx8prime = getelementptr inbounds i32* %currMB, i32 %i.057375 |
| store i32 0, i32* %arrayidx8prime, align 4 |
| %1 = add i32 %i.057375, 1 |
| %cmp5prime = icmp slt i32 %1, 4 |
| br i1 %cmp5prime, label %for.bodyprime, label %for.endprime |
| |
| for.endprime: ; preds = %for.bodyprime |
| br label %for.body23prime |
| |
| for.body23prime: ; preds = %for.body23prime, %for.endprime |
| br label %for.body23prime |
| } |
