; NOTE: Do not autogenerate | |
; RUN: opt < %s -fix-irreducible --verify-loop-info -S | FileCheck %s | |
; RUN: opt < %s -passes='fix-irreducible,verify<loops>' -S | FileCheck %s | |
; CHECK-LABEL: @unreachable( | |
; CHECK: entry: | |
; CHECK-NOT: irr.guard: | |
define void @unreachable(i32 %n) { | |
entry: | |
br label %loop.body | |
loop.body: | |
br label %inner.block | |
unreachable.block: | |
br label %inner.block | |
inner.block: | |
br i1 undef, label %loop.exit, label %loop.latch | |
loop.latch: | |
br label %loop.body | |
loop.exit: | |
ret void | |
} |