ext.ll
2.93 KB
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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
; RUN: llc -mtriple=i386-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X32
define i8 @test_zext_i1toi8(i32 %a) {
; X64-LABEL: test_zext_i1toi8:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: andb $1, %al
; X64-NEXT: # kill: def $al killed $al killed $eax
; X64-NEXT: retq
;
; X32-LABEL: test_zext_i1toi8:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: # kill: def $al killed $al killed $eax
; X32-NEXT: retl
%val = trunc i32 %a to i1
%r = zext i1 %val to i8
ret i8 %r
}
define i16 @test_zext_i1toi16(i32 %a) {
; X64-LABEL: test_zext_i1toi16:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: andw $1, %ax
; X64-NEXT: # kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
;
; X32-LABEL: test_zext_i1toi16:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andw $1, %ax
; X32-NEXT: # kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
%val = trunc i32 %a to i1
%r = zext i1 %val to i16
ret i16 %r
}
define i32 @test_zext_i1(i32 %a) {
; X64-LABEL: test_zext_i1:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: andl $1, %eax
; X64-NEXT: retq
;
; X32-LABEL: test_zext_i1:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andl $1, %eax
; X32-NEXT: retl
%val = trunc i32 %a to i1
%r = zext i1 %val to i32
ret i32 %r
}
define i32 @test_zext_i8(i8 %val) {
; X64-LABEL: test_zext_i8:
; X64: # %bb.0:
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: retq
;
; X32-LABEL: test_zext_i8:
; X32: # %bb.0:
; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
%r = zext i8 %val to i32
ret i32 %r
}
define i32 @test_zext_i16(i16 %val) {
; X64-LABEL: test_zext_i16:
; X64: # %bb.0:
; X64-NEXT: movzwl %di, %eax
; X64-NEXT: retq
;
; X32-LABEL: test_zext_i16:
; X32: # %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
%r = zext i16 %val to i32
ret i32 %r
}
define i32 @test_sext_i8(i8 %val) {
; X64-LABEL: test_sext_i8:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: shll $24, %eax
; X64-NEXT: sarl $24, %eax
; X64-NEXT: retq
;
; X32-LABEL: test_sext_i8:
; X32: # %bb.0:
; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
%r = sext i8 %val to i32
ret i32 %r
}
define i32 @test_sext_i16(i16 %val) {
; X64-LABEL: test_sext_i16:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: shll $16, %eax
; X64-NEXT: sarl $16, %eax
; X64-NEXT: retq
;
; X32-LABEL: test_sext_i16:
; X32: # %bb.0:
; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
%r = sext i16 %val to i32
ret i32 %r
}