llvm-project/llvm/test/Analysis/Dominators/basic.ll

61 lines
1.1 KiB
LLVM

; RUN: opt < %s -domtree -analyze -enable-new-pm=0 | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-OLDPM
; RUN: opt < %s -disable-output -passes='print<domtree>' 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-NEWPM
define void @test1() {
; CHECK-OLDPM-LABEL: 'Dominator Tree Construction' for function 'test1':
; CHECK-NEWPM-LABEL: DominatorTree for function: test1
; CHECK: [1] %entry
; CHECK-NEXT: [2] %a
; CHECK-NEXT: [2] %c
; CHECK-NEXT: [3] %d
; CHECK-NEXT: [3] %e
; CHECK-NEXT: [2] %b
entry:
br i1 undef, label %a, label %b
a:
br label %c
b:
br label %c
c:
br i1 undef, label %d, label %e
d:
ret void
e:
ret void
}
define void @test2() {
; CHECK-OLDPM-LABEL: 'Dominator Tree Construction' for function 'test2':
; CHECK-NEWPM-LABEL: DominatorTree for function: test2
; CHECK: [1] %entry
; CHECK-NEXT: [2] %a
; CHECK-NEXT: [3] %b
; CHECK-NEXT: [4] %c
; CHECK-NEXT: [5] %d
; CHECK-NEXT: [5] %ret
entry:
br label %a
a:
br label %b
b:
br i1 undef, label %a, label %c
c:
br i1 undef, label %d, label %ret
d:
br i1 undef, label %a, label %ret
ret:
ret void
}