blob: fab0a6289d2fc1ff4c23ec099eef4abe0788b4ff [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -instcombine -S < %s | FileCheck %s
define zeroext i1 @switch_ob_one_two_cases(i32 %arg) {
; CHECK-LABEL: @switch_ob_one_two_cases(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP0:%.*]] = and i32 [[ARG:%.*]], -3
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: ret i1 [[TMP1]]
;
bb:
switch i32 %arg, label %bb1 [
i32 0, label %bb2
i32 2, label %bb2
]
bb1:
br label %bb2
bb2:
%i = phi i1 [ false, %bb1 ], [ true, %bb ], [ true, %bb ]
ret i1 %i
}
define zeroext i1 @switch_ob_one_two_cases2(i32 %arg) {
; CHECK-LABEL: @switch_ob_one_two_cases2(
; CHECK-NEXT: [[I:%.*]] = icmp eq i32 [[ARG:%.*]], 7
; CHECK-NEXT: [[I1:%.*]] = icmp eq i32 [[ARG]], 11
; CHECK-NEXT: [[I2:%.*]] = or i1 [[I]], [[I1]]
; CHECK-NEXT: ret i1 [[I2]]
;
%i = icmp eq i32 %arg, 7
%i1 = icmp eq i32 %arg, 11
%i2 = or i1 %i, %i1
ret i1 %i2
}