42 lines
1.3 KiB
LLVM
42 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -ipsccp < %s | FileCheck %s
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; RUN: opt -S -passes='ipsccp,function(verify<domtree>)' < %s | FileCheck %s
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; DTU should not crash.
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define i32 @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: br label [[IF_THEN2:%.*]]
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; CHECK: if.then2:
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; CHECK-NEXT: br label [[FOR_INC:%.*]]
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; CHECK: for.inc:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %for.body
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for.body: ; preds = %entry
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br i1 true, label %if.then2, label %if.else
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if.then2: ; preds = %for.body
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br label %for.inc
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if.else: ; preds = %for.body
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br i1 undef, label %lor.rhs, label %if.then19.critedge
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lor.rhs: ; preds = %if.else
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br i1 undef, label %if.then19, label %for.inc
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if.then19.critedge: ; preds = %if.else
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br label %if.then19
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if.then19: ; preds = %if.then19.critedge, %lor.rhs
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unreachable
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for.inc: ; preds = %lor.rhs, %if.then2
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unreachable
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}
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