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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=ipsccp -S < %s | FileCheck %s
;
; #include <pthread.h>
;
; ptr GlobalVPtr;
;
; static ptr foo(ptr arg) { return arg; }
; static ptr bar(ptr arg) { return arg; }
;
; int main() {
; pthread_t thread;
; pthread_create(&thread, NULL, foo, NULL);
; pthread_create(&thread, NULL, bar, &GlobalVPtr);
; return 0;
; }
;
; Verify the constant values NULL and &GlobalVPtr are propagated into foo and
; bar, respectively.
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
%union.pthread_attr_t = type { i64, [48 x i8] }
@GlobalVPtr = common dso_local global ptr null, align 8
define dso_local i32 @main() {
; CHECK-LABEL: @main(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[THREAD:%.*]] = alloca i64, align 8
; CHECK-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr nonnull [[THREAD]], ptr null, ptr nonnull @foo, ptr null)
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr nonnull [[THREAD]], ptr null, ptr nonnull @bar, ptr @GlobalVPtr)
; CHECK-NEXT: ret i32 0
;
entry:
%thread = alloca i64, align 8
%call = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @foo, ptr null)
%call1 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @bar, ptr @GlobalVPtr)
ret i32 0
}
declare !callback !0 dso_local i32 @pthread_create(ptr, ptr, ptr, ptr)
define internal ptr @foo(ptr %arg) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret ptr [[ARG:%.*]]
;
entry:
ret ptr %arg
}
define internal ptr @bar(ptr %arg) {
; CHECK-LABEL: @bar(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret ptr [[ARG:%.*]]
;
entry:
ret ptr %arg
}
!1 = !{i64 2, i64 3, i1 false}
!0 = !{!1}
|
