forked from OSchip/llvm-project
33 lines
782 B
LLVM
33 lines
782 B
LLVM
|
; RUN: opt -S -o - %s -inline | FileCheck %s
|
||
|
|
||
|
define void @f1() {
|
||
|
bb.0:
|
||
|
br i1 false, label %bb.2, label %bb.1
|
||
|
|
||
|
bb.1: ; preds = %bb.0
|
||
|
br label %bb.2
|
||
|
|
||
|
bb.2: ; preds = %bb.0, %bb.1
|
||
|
%tmp0 = phi i1 [ true, %bb.1 ], [ false, %bb.0 ]
|
||
|
br i1 %tmp0, label %bb.4, label %bb.3
|
||
|
|
||
|
bb.3: ; preds = %bb.3, %bb.3
|
||
|
br i1 undef, label %bb.3, label %bb.3
|
||
|
|
||
|
bb.4: ; preds = %bb.2
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
define void @f2() {
|
||
|
bb.0:
|
||
|
call void @f1()
|
||
|
ret void
|
||
|
}
|
||
|
|
||
|
; f1 should be inlined into f2 and simplified/collapsed to nothing.
|
||
|
|
||
|
; CHECK-LABEL: define void @f2() {
|
||
|
; CHECK-NEXT: bb.0:
|
||
|
; CHECK-NEXT: ret void
|
||
|
; CHECK-NEXT: }
|