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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=sroa -S -o - < %s | FileCheck %s
%t = type { i32, i32 }
declare i8* @llvm.launder.invariant.group.p0i8(i8* %a)
declare i8* @llvm.strip.invariant.group.p0i8(i8* %a)
declare void @h(i32 %a)
declare i32 @somevalue()
define void @f() {
; CHECK-LABEL: @f(
; CHECK-NEXT: [[SV1:%.*]] = call i32 @somevalue()
; CHECK-NEXT: [[SV2:%.*]] = call i32 @somevalue()
; CHECK-NEXT: call void @h(i32 [[SV1]])
; CHECK-NEXT: call void @h(i32 [[SV2]])
; CHECK-NEXT: ret void
;
%a = alloca %t
%a1 = getelementptr inbounds %t, %t* %a, i32 0, i32 0
%a1_i8 = bitcast i32* %a1 to i8*
%a1_i8_inv = call i8* @llvm.launder.invariant.group.p0i8(i8* %a1_i8)
%a1_inv = bitcast i8* %a1_i8_inv to i32*
%a2 = getelementptr inbounds %t, %t* %a, i32 0, i32 1
%sv1 = call i32 @somevalue()
%sv2 = call i32 @somevalue()
store i32 %sv1, i32* %a1_inv, !invariant.group !0
store i32 %sv2, i32* %a2
%v1 = load i32, i32* %a1_inv, !invariant.group !0
%v2 = load i32, i32* %a2
call void @h(i32 %v1)
call void @h(i32 %v2)
ret void
}
define void @g() {
; CHECK-LABEL: @g(
; CHECK-NEXT: [[A:%.*]] = alloca [[T:%.*]], align 8
; CHECK-NEXT: [[A1:%.*]] = getelementptr inbounds [[T]], %t* [[A]], i32 0, i32 0
; CHECK-NEXT: [[A1_I8:%.*]] = bitcast i32* [[A1]] to i8*
; CHECK-NEXT: [[A1_I8_INV:%.*]] = call i8* @llvm.launder.invariant.group.p0i8(i8* [[A1_I8]])
; CHECK-NEXT: [[A1_INV:%.*]] = bitcast i8* [[A1_I8_INV]] to i32*
; CHECK-NEXT: [[A2:%.*]] = getelementptr inbounds [[T]], %t* [[A]], i32 0, i32 1
; CHECK-NEXT: [[SV1:%.*]] = call i32 @somevalue()
; CHECK-NEXT: [[SV2:%.*]] = call i32 @somevalue()
; CHECK-NEXT: store i32 [[SV1]], i32* [[A1_INV]], align 4, !invariant.group !0
; CHECK-NEXT: store i32 [[SV2]], i32* [[A2]], align 4
; CHECK-NEXT: [[V1:%.*]] = load i32, i32* [[A1_INV]], align 4, !invariant.group !0
; CHECK-NEXT: [[V2:%.*]] = load i32, i32* [[A2]], align 4
; CHECK-NEXT: call void @h(i32 [[V1]])
; CHECK-NEXT: call void @h(i32 [[V2]])
; CHECK-NEXT: [[A1_STRIPPED:%.*]] = call i8* @llvm.strip.invariant.group.p0i8(i8* [[A1_I8]])
; CHECK-NEXT: [[A1_INT:%.*]] = ptrtoint i8* [[A1_STRIPPED]] to i32
; CHECK-NEXT: call void @h(i32 [[A1_INT]])
; CHECK-NEXT: ret void
;
%a = alloca %t
%a1 = getelementptr inbounds %t, %t* %a, i32 0, i32 0
%a1_i8 = bitcast i32* %a1 to i8*
%a1_i8_inv = call i8* @llvm.launder.invariant.group.p0i8(i8* %a1_i8)
%a1_inv = bitcast i8* %a1_i8_inv to i32*
%a2 = getelementptr inbounds %t, %t* %a, i32 0, i32 1
%sv1 = call i32 @somevalue()
%sv2 = call i32 @somevalue()
store i32 %sv1, i32* %a1_inv, !invariant.group !0
store i32 %sv2, i32* %a2
%v1 = load i32, i32* %a1_inv, !invariant.group !0
%v2 = load i32, i32* %a2
call void @h(i32 %v1)
call void @h(i32 %v2)
%a1_stripped = call i8* @llvm.strip.invariant.group.p0i8(i8* %a1_i8)
%a1_int = ptrtoint i8* %a1_stripped to i32
call void @h(i32 %a1_int)
ret void
}
!0 = !{}
|
