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- ; 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, 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
- }
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