20 lines
348 B
LLVM
20 lines
348 B
LLVM
; RUN: opt -jump-threading -verify-each -S -mtriple=x86_64-- -o - %s
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define void @foo() {
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entry:
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br i1 false, label %A, label %B
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A:
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%x = phi i32 [ undef, %entry ], [ %z, %B ]
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br label %B
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B:
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%y = phi i32 [ undef, %entry ], [ %x, %A ]
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%z = add i32 %y, 1
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%cmp = icmp ne i32 %z, 0
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br i1 %cmp, label %exit, label %A
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exit:
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ret void
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}
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