forked from OSchip/llvm-project
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; RUN: opt -disable-output -debug-pass-manager \
|
|
; RUN: -passes='no-op-loopnest' %s 2>&1 \
|
|
; RUN: | FileCheck %s
|
|
|
|
; @f()
|
|
; / \
|
|
; loop.0 loop.1
|
|
; / \ \
|
|
; loop.0.0 loop.0.1 loop.1.0
|
|
;
|
|
; CHECK: Running pass: NoOpLoopNestPass on Loop at depth 1 containing: %loop.0<header><exiting>,%loop.0.0,%loop.0.1,%loop.0.1.preheader,%loop.0.loopexit<latch>,%loop.0.0.preheader
|
|
; CHECK: Running pass: NoOpLoopNestPass on Loop at depth 1 containing: %loop.1<header>,%loop.1.bb1,%loop.1.bb2<exiting>,%loop.1.0,%loop.1.0.preheader,%loop.1.loopexit,%loop.1.backedge<latch>
|
|
; CHECK-NOT: Running pass: NoOpLoopNestPass on Loop at depth 2
|
|
|
|
define void @f() {
|
|
entry:
|
|
br label %loop.0
|
|
loop.0:
|
|
br i1 undef, label %loop.0.0, label %loop.1
|
|
loop.0.0:
|
|
br i1 undef, label %loop.0.0, label %loop.0.1
|
|
loop.0.1:
|
|
br i1 undef, label %loop.0.1, label %loop.0
|
|
loop.1:
|
|
br i1 undef, label %loop.1, label %loop.1.bb1
|
|
loop.1.bb1:
|
|
br i1 undef, label %loop.1, label %loop.1.bb2
|
|
loop.1.bb2:
|
|
br i1 undef, label %end, label %loop.1.0
|
|
loop.1.0:
|
|
br i1 undef, label %loop.1.0, label %loop.1
|
|
end:
|
|
ret void
|
|
}
|