dd5d035302
around, then zap them. This is analogous to dangling constantexprs hanging off functions. llvm-svn: 85627
31 lines
534 B
LLVM
31 lines
534 B
LLVM
; Test CFG simplify removal of branch instructions...
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;
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; RUN: opt < %s -simplifycfg -S | not grep br
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define void @test1() {
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br label %BB1
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BB1: ; preds = %0
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ret void
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}
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define void @test2() {
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ret void
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BB1: ; No predecessors!
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ret void
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}
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define void @test3(i1 %T) {
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br i1 %T, label %BB1, label %BB1
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BB1: ; preds = %0, %0
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ret void
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}
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define void @test4() {
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entry:
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br label %return
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return:
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ret void
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}
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@test4g = global i8* blockaddress(@test4, %return)
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