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
4bool 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
16enum e1 { };
17e1 g1(e1 *x) {
18  return *x;
19}
20// CHECK-LABEL: define i32 @_Z2g1P2e1
21// CHECK: ret i32 0
22
23enum e2 { e2_a = 0 };
24e2 g2(e2 *x) {
25  return *x;
26}
27// CHECK-LABEL: define i32 @_Z2g2P2e2
28// CHECK: ret i32 0
29
30enum e3 { e3_a = 16 };
31e3 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
37enum e4 { e4_a = -16};
38e4 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
44enum e5 { e5_a = -16, e5_b = 16};
45e5 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
51enum e6 { e6_a = -1 };
52e6 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
58enum e7 { e7_a = -16, e7_b = 2};
59e7 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
65enum e8 { e8_a = -17};
66e8 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
72enum e9 { e9_a = 17};
73e9 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
79enum e10 { e10_a = -16, e10_b = 32};
80e10 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
86enum e11 {e11_a = 4294967296 };
87enum 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
93enum e12 {e12_a = 9223372036854775808U };
94enum 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
102enum e13 : char {e13_a = -1 };
103e13 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
111enum class e14 {e14_a = 1};
112e14 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
120enum e15 { e15_a = 2147483648 };
121e15 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
129enum e16 { e16_a = -2147483648 };
130e16 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