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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
; Test argument promotion involving bitcasts.
%opaque = type opaque
define internal i32 @callee_basic(i8* %p) {
; CHECK-LABEL: define {{[^@]+}}@callee_basic
; CHECK-SAME: (i32 [[P_0_VAL:%.*]], i32 [[P_4_VAL:%.*]]) {
; CHECK-NEXT: [[Z:%.*]] = add i32 [[P_0_VAL]], [[P_4_VAL]]
; CHECK-NEXT: ret i32 [[Z]]
;
%p.32 = bitcast i8* %p to i32*
%x = load i32, i32* %p.32
%p1 = getelementptr i8, i8* %p, i64 4
%p1.32 = bitcast i8* %p1 to i32*
%y = load i32, i32* %p1.32
%z = add i32 %x, %y
ret i32 %z
}
define void @caller_basic(i8* %p) {
; CHECK-LABEL: define {{[^@]+}}@caller_basic
; CHECK-SAME: (i8* [[P:%.*]]) {
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[P]] to i32*
; CHECK-NEXT: [[P_VAL:%.*]] = load i32, i32* [[TMP1]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[P]], i64 4
; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i32*
; CHECK-NEXT: [[P_VAL1:%.*]] = load i32, i32* [[TMP3]], align 4
; CHECK-NEXT: [[TMP4:%.*]] = call i32 @callee_basic(i32 [[P_VAL]], i32 [[P_VAL1]])
; CHECK-NEXT: ret void
;
call i32 @callee_basic(i8* %p)
ret void
}
define internal i32 @callee_opaque(%opaque* %p) {
; CHECK-LABEL: define {{[^@]+}}@callee_opaque
; CHECK-SAME: (i32 [[P_0_VAL:%.*]], i32 [[P_4_VAL:%.*]]) {
; CHECK-NEXT: [[Z:%.*]] = add i32 [[P_0_VAL]], [[P_4_VAL]]
; CHECK-NEXT: ret i32 [[Z]]
;
%p.32 = bitcast %opaque* %p to i32*
%x = load i32, i32* %p.32
%p1.32 = getelementptr i32, i32* %p.32, i64 1
%y = load i32, i32* %p1.32
%z = add i32 %x, %y
ret i32 %z
}
define void @caller_opaque(%opaque* %p) {
; CHECK-LABEL: define {{[^@]+}}@caller_opaque
; CHECK-SAME: (%opaque* [[P:%.*]]) {
; CHECK-NEXT: [[TMP1:%.*]] = bitcast %opaque* [[P]] to i32*
; CHECK-NEXT: [[P_VAL:%.*]] = load i32, i32* [[TMP1]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = bitcast %opaque* [[P]] to i8*
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, i8* [[TMP2]], i64 4
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i8* [[TMP3]] to i32*
; CHECK-NEXT: [[P_VAL1:%.*]] = load i32, i32* [[TMP4]], align 4
; CHECK-NEXT: [[TMP5:%.*]] = call i32 @callee_opaque(i32 [[P_VAL]], i32 [[P_VAL1]])
; CHECK-NEXT: ret void
;
call i32 @callee_opaque(%opaque* %p)
ret void
}
|
