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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
target datalayout = "p:64:64:64-i64:32:32"
define ptr @test1(ptr %x) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load i64, ptr [[X:%.*]], align 4
; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[B]] to ptr
; CHECK-NEXT: ret ptr [[C]]
;
entry:
%b = load i64, ptr %x
%c = inttoptr i64 %b to ptr
ret ptr %c
}
define ptr @test2(ptr %x) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[X:%.*]], align 4
; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[B]] to i64
; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[TMP0]] to ptr
; CHECK-NEXT: ret ptr [[C]]
;
entry:
%b = load i32, ptr %x
%c = inttoptr i32 %b to ptr
ret ptr %c
}
define ptr @test3(ptr %x) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[X:%.*]], align 4
; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[B]] to i64
; CHECK-NEXT: [[C:%.*]] = inttoptr i64 [[TMP0]] to ptr
; CHECK-NEXT: ret ptr [[C]]
;
entry:
%b = load i32, ptr %x
%c = inttoptr i32 %b to ptr
ret ptr %c
}
define i64 @test4(ptr %x) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load ptr, ptr [[X:%.*]], align 8
; CHECK-NEXT: [[C:%.*]] = ptrtoint ptr [[B]] to i64
; CHECK-NEXT: ret i64 [[C]]
;
entry:
%b = load ptr, ptr %x
%c = ptrtoint ptr %b to i64
ret i64 %c
}
define i32 @test5(ptr %x) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load ptr, ptr [[X:%.*]], align 8
; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[B]] to i64
; CHECK-NEXT: [[C:%.*]] = trunc i64 [[TMP0]] to i32
; CHECK-NEXT: ret i32 [[C]]
;
entry:
%b = load ptr, ptr %x
%c = ptrtoint ptr %b to i32
ret i32 %c
}
define i64 @test6(ptr %x) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[B:%.*]] = load ptr, ptr [[X:%.*]], align 8
; CHECK-NEXT: [[C:%.*]] = ptrtoint ptr [[B]] to i64
; CHECK-NEXT: ret i64 [[C]]
;
entry:
%b = load ptr, ptr %x
%c = ptrtoint ptr %b to i64
ret i64 %c
}
|