1 | // RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -O1 -relaxed-aliasing -fstrict-enums -std=c++11 -o - | FileCheck %s |
2 | // RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -O1 -relaxed-aliasing -std=c++11 -o - | FileCheck --check-prefix=NO-STRICT-ENUMS %s |
3 | |
4 | bool f(bool *x) { |
5 | return *x; |
6 | } |
7 | // CHECK-LABEL: define zeroext i1 @_Z1fPb |
8 | // CHECK: load i8, i8* %{{[^ ]*}}, align 1, !range [[RANGE_i8_0_2:![^ ]*]] |
9 | |
10 | // Only enum-tests follow. Ensure that after the bool test, no further range |
11 | // metadata shows up when strict enums are disabled. |
12 | // NO-STRICT-ENUMS-LABEL: define zeroext i1 @_Z1fPb |
13 | // NO-STRICT-ENUMS: load i8, i8* %{{[^ ]*}}, align 1, !range |
14 | // NO-STRICT-ENUMS-NOT: !range |
15 | |
16 | enum e1 { }; |
17 | e1 g1(e1 *x) { |
18 | return *x; |
19 | } |
20 | // CHECK-LABEL: define i32 @_Z2g1P2e1 |
21 | // CHECK: ret i32 0 |
22 | |
23 | enum e2 { e2_a = 0 }; |
24 | e2 g2(e2 *x) { |
25 | return *x; |
26 | } |
27 | // CHECK-LABEL: define i32 @_Z2g2P2e2 |
28 | // CHECK: ret i32 0 |
29 | |
30 | enum e3 { e3_a = 16 }; |
31 | e3 g3(e3 *x) { |
32 | return *x; |
33 | } |
34 | // CHECK-LABEL: define i32 @_Z2g3P2e3 |
35 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_0_32:![^ ]*]] |
36 | |
37 | enum e4 { e4_a = -16}; |
38 | e4 g4(e4 *x) { |
39 | return *x; |
40 | } |
41 | // CHECK-LABEL: define i32 @_Z2g4P2e4 |
42 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m16_16:![^ ]*]] |
43 | |
44 | enum e5 { e5_a = -16, e5_b = 16}; |
45 | e5 g5(e5 *x) { |
46 | return *x; |
47 | } |
48 | // CHECK-LABEL: define i32 @_Z2g5P2e5 |
49 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m32_32:![^ ]*]] |
50 | |
51 | enum e6 { e6_a = -1 }; |
52 | e6 g6(e6 *x) { |
53 | return *x; |
54 | } |
55 | // CHECK-LABEL: define i32 @_Z2g6P2e6 |
56 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m1_1:![^ ]*]] |
57 | |
58 | enum e7 { e7_a = -16, e7_b = 2}; |
59 | e7 g7(e7 *x) { |
60 | return *x; |
61 | } |
62 | // CHECK-LABEL: define i32 @_Z2g7P2e7 |
63 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m16_16]] |
64 | |
65 | enum e8 { e8_a = -17}; |
66 | e8 g8(e8 *x) { |
67 | return *x; |
68 | } |
69 | // CHECK-LABEL: define i32 @_Z2g8P2e8 |
70 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m32_32:![^ ]*]] |
71 | |
72 | enum e9 { e9_a = 17}; |
73 | e9 g9(e9 *x) { |
74 | return *x; |
75 | } |
76 | // CHECK-LABEL: define i32 @_Z2g9P2e9 |
77 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_0_32]] |
78 | |
79 | enum e10 { e10_a = -16, e10_b = 32}; |
80 | e10 g10(e10 *x) { |
81 | return *x; |
82 | } |
83 | // CHECK-LABEL: define i32 @_Z3g10P3e10 |
84 | // CHECK: load i32, i32* %x, align 4, !range [[RANGE_i32_m64_64:![^ ]*]] |
85 | |
86 | enum e11 {e11_a = 4294967296 }; |
87 | enum e11 g11(enum e11 *x) { |
88 | return *x; |
89 | } |
90 | // CHECK-LABEL: define i64 @_Z3g11P3e11 |
91 | // CHECK: load i64, i64* %x, align {{[84]}}, !range [[RANGE_i64_0_2pow33:![^ ]*]] |
92 | |
93 | enum e12 {e12_a = 9223372036854775808U }; |
94 | enum e12 g12(enum e12 *x) { |
95 | return *x; |
96 | } |
97 | // CHECK-LABEL: define i64 @_Z3g12P3e12 |
98 | // CHECK: load i64, i64* %x, align {{[84]}} |
99 | // CHECK-NOT: range |
100 | // CHECK: ret |
101 | |
102 | enum e13 : char {e13_a = -1 }; |
103 | e13 g13(e13 *x) { |
104 | return *x; |
105 | } |
106 | // CHECK-LABEL: define signext i8 @_Z3g13P3e13 |
107 | // CHECK: load i8, i8* %x, align 1 |
108 | // CHECK-NOT: range |
109 | // CHECK: ret |
110 | |
111 | enum class e14 {e14_a = 1}; |
112 | e14 g14(e14 *x) { |
113 | return *x; |
114 | } |
115 | // CHECK-LABEL: define i32 @_Z3g14P3e14 |
116 | // CHECK: load i32, i32* %x, align 4 |
117 | // CHECK-NOT: range |
118 | // CHECK: ret |
119 | |
120 | enum e15 { e15_a = 2147483648 }; |
121 | e15 g15(e15 *x) { |
122 | return *x; |
123 | } |
124 | // CHECK-LABEL: define i32 @_Z3g15P3e15 |
125 | // CHECK: load i32, i32* %x, align 4 |
126 | // CHECK-NOT: range |
127 | // CHECK: ret |
128 | |
129 | enum e16 { e16_a = -2147483648 }; |
130 | e16 g16(e16 *x) { |
131 | return *x; |
132 | } |
133 | // CHECK-LABEL: define i32 @_Z3g16P3e16 |
134 | // CHECK: load i32, i32* %x, align 4 |
135 | // CHECK-NOT: range |
136 | // CHECK: ret |
137 | |
138 | |
139 | // CHECK: [[RANGE_i8_0_2]] = !{i8 0, i8 2} |
140 | // CHECK: [[RANGE_i32_0_32]] = !{i32 0, i32 32} |
141 | // CHECK: [[RANGE_i32_m16_16]] = !{i32 -16, i32 16} |
142 | // CHECK: [[RANGE_i32_m32_32]] = !{i32 -32, i32 32} |
143 | // CHECK: [[RANGE_i32_m1_1]] = !{i32 -1, i32 1} |
144 | // CHECK: [[RANGE_i32_m64_64]] = !{i32 -64, i32 64} |
145 | // CHECK: [[RANGE_i64_0_2pow33]] = !{i64 0, i64 8589934592} |
146 | |