blob: ecd516519abb2ced9a8ce16d1b913e580a32c0b6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -simplifycfg < %s | FileCheck %s
define i32 @test1(i32 %x) nounwind {
; CHECK-LABEL: @test1(
; CHECK-NEXT: a:
; CHECK-NEXT: [[I:%.*]] = shl i32 %x, 1
; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[I]], 24
; CHECK-NEXT: [[DOT:%.*]] = select i1 [[COND]], i32 5, i32 0
; CHECK-NEXT: ret i32 [[DOT]]
;
%i = shl i32 %x, 1
switch i32 %i, label %a [
i32 21, label %b
i32 24, label %c
]
a:
ret i32 0
b:
ret i32 3
c:
ret i32 5
}
define i32 @test2(i32 %x) nounwind {
; CHECK-LABEL: @test2(
; CHECK-NEXT: a:
; CHECK-NEXT: ret i32 0
;
%i = shl i32 %x, 1
switch i32 %i, label %a [
i32 21, label %b
i32 23, label %c
]
a:
ret i32 0
b:
ret i32 3
c:
ret i32 5
}
|