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
|
// RUN: %clang_cc1 -no-opaque-pointers -DD128 -triple x86_64-apple-darwin -fextend-arguments=64 \
// RUN: -Wno-strict-prototypes %s -emit-llvm -o - | FileCheck %s -check-prefix=CHECKEXT
// When the option isn't selected, no effect
// RUN: %clang_cc1 -no-opaque-pointers -DD128 -triple x86_64-apple-darwin \
// RUN: -Wno-strict-prototypes %s -emit-llvm -o - | FileCheck %s \
// RUN: --implicit-check-not "ext {{.*}}to i64"
// The option isn't supported on x86, no effect
// RUN: %clang_cc1 -no-opaque-pointers -triple i386-pc-linux-gnu -fextend-arguments=64 \
// RUN: -Wno-strict-prototypes %s -emit-llvm -o - | FileCheck %s \
// RUN: --implicit-check-not "ext {{.*}}to i64"
// The option isn't supported on ppc, no effect
// RUN: %clang_cc1 -no-opaque-pointers -triple ppc64le -fextend-arguments=64 \
// RUN: -Wno-strict-prototypes %s -emit-llvm -o - | FileCheck %s \
// RUN: --implicit-check-not "ext {{.*}}to i64"
// The option isn't supported on ppc, no effect
// RUN: %clang_cc1 -no-opaque-pointers -DD128 -triple powerpc64-ibm-aix-xcoff -fextend-arguments=64 \
// RUN: -Wno-strict-prototypes %s -emit-llvm -o - | FileCheck %s \
// RUN: --implicit-check-not "ext {{.*}}to i64"
int vararg(int, ...);
void knr();
unsigned int u32;
int s32;
unsigned short u16;
short s16;
unsigned char u8;
signed char s8;
long long ll;
_BitInt(23) ei23;
float ff;
double dd;
#ifdef D128
__int128 i128;
#endif
int test(void) {
// CHECK: define{{.*}} i32 @test{{.*}}
// CHECKEXT: [[TAG_u32:%.*]] = load i32, i32* @u32{{.*}}
// CHECKEXT: [[CONV_u32:%.*]] = zext i32 [[TAG_u32]] to i64
// CHECKEXT: [[TAG_s32:%.*]] = load i32, i32* @s32
// CHECKEXT: [[CONV_s32:%.*]] = sext i32 [[TAG_s32]] to i64
// CHECKEXT: [[TAG_u16:%.*]] = load i16, i16* @u16
// CHECKEXT: [[CONV_u16:%.*]] = zext i16 [[TAG_u16]] to i64
// CHECKEXT: [[TAG_s16:%.*]] = load i16, i16* @s16
// CHECKEXT: [[CONV_s16:%.*]] = sext i16 [[TAG_s16]] to i64
// CHECKEXT: [[TAG_u8:%.*]] = load i8, i8* @u8
// CHECKEXT: [[CONV_u8:%.*]] = zext i8 [[TAG_u8]] to i64
// CHECKEXT: [[TAG_s8:%.*]] = load i8, i8* @s8
// CHECKEXT: [[CONV_s8:%.*]] = sext i8 [[TAG_s8]] to i64
// CHECKEXT: call{{.*}} @vararg(i32 noundef %0, i64 noundef [[CONV_u32]], i64 noundef [[CONV_s32]], i64 noundef [[CONV_u16]], i64 noundef [[CONV_s16]], i64 noundef [[CONV_u8]], i64 noundef [[CONV_s8]]
int sum = 0;
sum = vararg(sum, u32, s32, u16, s16, u8, s8);
knr(ll);
// CHECKEXT: load i64, i64* @ll
// CHECKEXT-NEXT: call void (i64, ...) bitcast {{.*}} @knr
knr(ei23);
// CHECKEXT: load i23, i23* @ei23
// CHECKEXT-NEXT: call void (i23, ...) bitcast{{.*}} @knr
knr(ff);
// CHECKEXT: load float
// CHECKEXT-NEXT: fpext float {{.*}} to double
// CHECKEXT-NEXT: call{{.*}} void (double, ...) bitcast{{.*}} @knr
knr(dd);
// CHECKEXT: load double
// CHECKEXT-NEXT: call{{.*}} void (double, ...) bitcast{{.*}} @knr
#ifdef D128
knr(i128);
// CHECKEXT: load i128
// CHECKEXT: call{{.*}} void (i64, i64, ...) bitcast{{.*}} @knr
#endif
knr(u32, s32, u16, s16, u8, s8);
// CHECKEXT: [[TAg_u32:%.*]] = load i32, i32* @u32{{.*}}
// CHECKEXT: [[CONv_u32:%.*]] = zext i32 [[TAg_u32]] to i64
// CHECKEXT: [[TAg_s32:%.*]] = load i32, i32* @s32
// CHECKEXT: [[CONv_s32:%.*]] = sext i32 [[TAg_s32]] to i64
// CHECKEXT: [[TAg_u16:%.*]] = load i16, i16* @u16
// CHECKEXT: [[CONv_u16:%.*]] = zext i16 [[TAg_u16]] to i64
// CHECKEXT: [[TAg_s16:%.*]] = load i16, i16* @s16
// CHECKEXT: [[CONv_s16:%.*]] = sext i16 [[TAg_s16]] to i64
// CHECKEXT: [[TAg_u8:%.*]] = load i8, i8* @u8
// CHECKEXT: [[CONv_u8:%.*]] = zext i8 [[TAg_u8]] to i64
// CHECKEXT: [[TAg_s8:%.*]] = load i8, i8* @s8
// CHECKEXT: [[CONv_s8:%.*]] = sext i8 [[TAg_s8]] to i64
// CHECKEXT: call{{.*}} void (i64, i64, i64, i64, i64, i64, ...) bitcast{{.*}} @knr
return sum;
}
|
