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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | \
// RUN: FileCheck %s \
// RUN: '-DWE="class.std::__1::weak_equality"' \
// RUN: '-DSO="class.std::__1::strong_ordering"' \
// RUN: '-DSE="class.std::__1::strong_equality"' \
// RUN: '-DPO="class.std::__1::partial_ordering"' \
// RUN: -DEQ=0 -DLT=-1 -DGT=1 -DUNORD=-127 -DNE=1
#include "Inputs/std-compare.h"
// Ensure we don't emit definitions for the global variables
// since the builtins shouldn't ODR use them.
// CHECK-NOT: constant %[[SO]]
// CHECK-NOT: constant %[[SE]]
// CHECK-NOT: constant %[[WE]]
// CHECK-NOT: constant %[[PO]]
// CHECK-LABEL: @_Z11test_signedii
auto test_signed(int x, int y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp slt i32 %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %0, %1
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z13test_unsignedjj
auto test_unsigned(unsigned x, unsigned y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp ult i32 %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32 %0, %1
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z10float_testdd
auto float_test(double x, double y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq = fcmp oeq double %0, %1
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[UNORD]]
// CHECK: %cmp.gt = fcmp ogt double %0, %1
// CHECK: %sel.gt = select i1 %cmp.gt, i8 [[GT]], i8 %sel.eq
// CHECK: %cmp.lt = fcmp olt double %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 %sel.gt
// CHECK: %__value_ = getelementptr inbounds %[[PO]], %[[PO]]* %[[DEST]]
// CHECK: store i8 %sel.lt, i8* %__value_
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z8ptr_testPiS_
auto ptr_test(int *x, int *y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.lt = icmp ult i32* %0, %1
// CHECK: %sel.lt = select i1 %cmp.lt, i8 [[LT]], i8 [[GT]]
// CHECK: %cmp.eq = icmp eq i32* %0, %1
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 %sel.lt
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
struct MemPtr {};
using MemPtrT = void (MemPtr::*)();
using MemDataT = int(MemPtr::*);
// CHECK-LABEL: @_Z12mem_ptr_testM6MemPtrFvvES1_
auto mem_ptr_test(MemPtrT x, MemPtrT y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.ptr = icmp eq [[TY:i[0-9]+]] %lhs.memptr.ptr, %rhs.memptr.ptr
// CHECK: %cmp.ptr.null = icmp eq [[TY]] %lhs.memptr.ptr, 0
// CHECK: %cmp.adj = icmp eq [[TY]] %lhs.memptr.adj, %rhs.memptr.adj
// CHECK: %[[OR:.*]] = or i1
// CHECK-SAME: %cmp.adj
// CHECK: %memptr.eq = and i1 %cmp.ptr, %[[OR]]
// CHECK: %sel.eq = select i1 %memptr.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
// CHECK: ret
return x <=> y;
}
// CHECK-LABEL: @_Z13mem_data_testM6MemPtriS0_
auto mem_data_test(MemDataT x, MemDataT y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %[[CMP:.*]] = icmp eq i{{[0-9]+}} %0, %1
// CHECK: %sel.eq = select i1 %[[CMP]], i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
// CHECK-LABEL: @_Z13test_constantv
auto test_constant() {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK-NOT: icmp
// CHECK: %__value_ = getelementptr inbounds %[[SO]], %[[SO]]* %[[DEST]]
// CHECK-NEXT: store i8 -1, i8* %__value_
// CHECK: ret
const int x = 42;
const int y = 101;
return x <=> y;
}
// CHECK-LABEL: @_Z16test_nullptr_objPiDn
auto test_nullptr_obj(int* x, decltype(nullptr) y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq = icmp eq i32* %0, null
// CHECK: %sel.eq = select i1 %cmp.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
// CHECK-LABEL: @_Z18unscoped_enum_testijxy
void unscoped_enum_test(int i, unsigned u, long long l, unsigned long long ul) {
enum EnumA : int { A };
enum EnumB : unsigned { B };
// CHECK: %[[I:.*]] = load {{.*}} %i.addr
// CHECK: icmp slt i32 {{.*}} %[[I]]
(void)(A <=> i);
// CHECK: %[[U:.*]] = load {{.*}} %u.addr
// CHECK: icmp ult i32 {{.*}} %[[U]]
(void)(A <=> u);
// CHECK: %[[L:.*]] = load {{.*}} %l.addr
// CHECK: icmp slt i64 {{.*}} %[[L]]
(void)(A <=> l);
// CHECK: %[[U2:.*]] = load {{.*}} %u.addr
// CHECK: icmp ult i32 {{.*}} %[[U2]]
(void)(B <=> u);
// CHECK: %[[UL:.*]] = load {{.*}} %ul.addr
// CHECK: icmp ult i64 {{.*}} %[[UL]]
(void)(B <=> ul);
}
namespace NullptrTest {
using nullptr_t = decltype(nullptr);
// CHECK-LABEL: @_ZN11NullptrTest4testEDnDn(
auto test(nullptr_t x, nullptr_t y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK-NOT: select
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK-NEXT: store i8 [[EQ]], i8* %__value_
// CHECK: ret
return x <=> y;
}
} // namespace NullptrTest
namespace ComplexTest {
auto test_float(_Complex float x, _Complex float y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq.r = fcmp oeq float %x.real, %y.real
// CHECK: %cmp.eq.i = fcmp oeq float %x.imag, %y.imag
// CHECK: %and.eq = and i1 %cmp.eq.r, %cmp.eq.i
// CHECK: %sel.eq = select i1 %and.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[WE]], %[[WE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
// CHECK-LABEL: @_ZN11ComplexTest8test_intECiS0_(
auto test_int(_Complex int x, _Complex int y) {
// CHECK: %[[DEST:retval|agg.result]]
// CHECK: %cmp.eq.r = icmp eq i32 %x.real, %y.real
// CHECK: %cmp.eq.i = icmp eq i32 %x.imag, %y.imag
// CHECK: %and.eq = and i1 %cmp.eq.r, %cmp.eq.i
// CHECK: %sel.eq = select i1 %and.eq, i8 [[EQ]], i8 [[NE]]
// CHECK: %__value_ = getelementptr inbounds %[[SE]], %[[SE]]* %[[DEST]]
// CHECK: store i8 %sel.eq, i8* %__value_, align 1
return x <=> y;
}
} // namespace ComplexTest
|
