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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
define i1 @test1(i32 %X) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[C:%.*]] = icmp ne i32 [[X:%.*]], 12
; CHECK-NEXT: ret i1 [[C]]
;
%A = bitcast i32 %X to i32
; Convert to setne int %X, 12
%c = icmp ne i32 %A, 12
ret i1 %c
}
define i1 @test2(i32 %X, i32 %Y) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[C:%.*]] = icmp ne i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: ret i1 [[C]]
;
%A = bitcast i32 %X to i32
%B = bitcast i32 %Y to i32
; Convert to setne int %X, %Y
%c = icmp ne i32 %A, %B
ret i1 %c
}
define i32 @test4(i32 %A) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[C:%.*]] = shl i32 [[A:%.*]], 2
; CHECK-NEXT: ret i32 [[C]]
;
%B = bitcast i32 %A to i32
%C = shl i32 %B, 2
%D = bitcast i32 %C to i32
ret i32 %D
}
define i16 @test5(i16 %A) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[TMP1:%.*]] = and i16 [[A:%.*]], 15
; CHECK-NEXT: ret i16 [[TMP1]]
;
%B = sext i16 %A to i32
%C = and i32 %B, 15
%D = trunc i32 %C to i16
ret i16 %D
}
define i1 @test6(i1 %A) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: ret i1 [[A:%.*]]
;
%B = zext i1 %A to i32
%C = icmp ne i32 %B, 0
ret i1 %C
}
define i1 @test6a(i1 %A) {
; CHECK-LABEL: @test6a(
; CHECK-NEXT: ret i1 true
;
%B = zext i1 %A to i32
%C = icmp ne i32 %B, -1
ret i1 %C
}
define i1 @test7(ptr %A) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[A:%.*]], null
; CHECK-NEXT: ret i1 [[C]]
;
%C = icmp eq ptr %A, null
ret i1 %C
}
|
