36 lines
994 B
LLVM
36 lines
994 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
|
|
|
|
define void @widget(i32 %arg) {
|
|
; CHECK-LABEL: @widget(
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: [[SWITCH:%.*]] = icmp ult i32 [[ARG:%.*]], 2
|
|
; CHECK-NEXT: br i1 [[SWITCH]], label [[BB2:%.*]], label [[INFLOOP:%.*]]
|
|
; CHECK: bb2:
|
|
; CHECK-NEXT: ret void
|
|
; CHECK: infloop:
|
|
; CHECK-NEXT: br label [[INFLOOP]]
|
|
;
|
|
bb:
|
|
%tmp = icmp eq i32 %arg, 0
|
|
br i1 %tmp, label %bb2, label %bb1
|
|
|
|
bb1: ; preds = %bb1
|
|
%tmp4 = icmp eq i32 %arg, 1
|
|
br i1 %tmp4, label %bb6, label %bb5
|
|
|
|
bb5: ; preds = %bb5, %bb5
|
|
switch i32 %arg, label %bb5 [
|
|
i32 0, label %bb9
|
|
]
|
|
|
|
bb2:
|
|
ret void
|
|
|
|
bb6: ; preds = %bb1
|
|
ret void
|
|
|
|
bb9: ; preds = %bb5
|
|
ret void
|
|
}
|