forked from OSchip/llvm-project
147 lines
3.2 KiB
C++
147 lines
3.2 KiB
C++
// RUN: %clang_cc1 %s -emit-llvm -O1 -relaxed-aliasing -fstrict-enums -std=c++11 -o - | FileCheck %s
|
|
// RUN: %clang_cc1 %s -emit-llvm -O1 -relaxed-aliasing -std=c++11 -o - | FileCheck --check-prefix=NO-STRICT-ENUMS %s
|
|
|
|
bool f(bool *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define zeroext i1 @_Z1fPb
|
|
// CHECK: load i8* %{{.*}}, align 1, !range !0
|
|
|
|
// Only enum-tests follow. Ensure that after the bool test, no further range
|
|
// metadata shows up when strict enums are disabled.
|
|
// NO-STRICT-ENUMS: define zeroext i1 @_Z1fPb
|
|
// NO-STRICT-ENUMS: load i8* %{{.*}}, align 1, !range !0
|
|
// NO-STRICT-ENUMS-NOT: !range
|
|
|
|
enum e1 { };
|
|
e1 g1(e1 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g1P2e1
|
|
// CHECK: load i32* %x, align 4, !range !1
|
|
|
|
enum e2 { e2_a = 0 };
|
|
e2 g2(e2 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g2P2e2
|
|
// CHECK: load i32* %x, align 4, !range !1
|
|
|
|
enum e3 { e3_a = 16 };
|
|
e3 g3(e3 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g3P2e3
|
|
// CHECK: load i32* %x, align 4, !range !2
|
|
|
|
enum e4 { e4_a = -16};
|
|
e4 g4(e4 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g4P2e4
|
|
// CHECK: load i32* %x, align 4, !range !3
|
|
|
|
enum e5 { e5_a = -16, e5_b = 16};
|
|
e5 g5(e5 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g5P2e5
|
|
// CHECK: load i32* %x, align 4, !range !4
|
|
|
|
enum e6 { e6_a = -1 };
|
|
e6 g6(e6 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g6P2e6
|
|
// CHECK: load i32* %x, align 4, !range !5
|
|
|
|
enum e7 { e7_a = -16, e7_b = 2};
|
|
e7 g7(e7 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g7P2e7
|
|
// CHECK: load i32* %x, align 4, !range !3
|
|
|
|
enum e8 { e8_a = -17};
|
|
e8 g8(e8 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g8P2e8
|
|
// CHECK: load i32* %x, align 4, !range !4
|
|
|
|
enum e9 { e9_a = 17};
|
|
e9 g9(e9 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z2g9P2e9
|
|
// CHECK: load i32* %x, align 4, !range !2
|
|
|
|
enum e10 { e10_a = -16, e10_b = 32};
|
|
e10 g10(e10 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z3g10P3e10
|
|
// CHECK: load i32* %x, align 4, !range !6
|
|
|
|
enum e11 {e11_a = 4294967296 };
|
|
enum e11 g11(enum e11 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i64 @_Z3g11P3e11
|
|
// CHECK: load i64* %x, align {{[84]}}, !range !7
|
|
|
|
enum e12 {e12_a = 9223372036854775808U };
|
|
enum e12 g12(enum e12 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i64 @_Z3g12P3e12
|
|
// CHECK: load i64* %x, align {{[84]}}
|
|
// CHECK-NOT: range
|
|
// CHECK: ret
|
|
|
|
enum e13 : char {e13_a = -1 };
|
|
e13 g13(e13 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define signext i8 @_Z3g13P3e13
|
|
// CHECK: load i8* %x, align 1
|
|
// CHECK-NOT: range
|
|
// CHECK: ret
|
|
|
|
enum class e14 {e14_a = 1};
|
|
e14 g14(e14 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z3g14P3e14
|
|
// CHECK: load i32* %x, align 4
|
|
// CHECK-NOT: range
|
|
// CHECK: ret
|
|
|
|
enum e15 { e15_a = 2147483648 };
|
|
e15 g15(e15 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z3g15P3e15
|
|
// CHECK: load i32* %x, align 4
|
|
// CHECK-NOT: range
|
|
// CHECK: ret
|
|
|
|
enum e16 { e16_a = -2147483648 };
|
|
e16 g16(e16 *x) {
|
|
return *x;
|
|
}
|
|
// CHECK: define i32 @_Z3g16P3e16
|
|
// CHECK: load i32* %x, align 4
|
|
// CHECK-NOT: range
|
|
// CHECK: ret
|
|
|
|
|
|
// CHECK: !0 = metadata !{i8 0, i8 2}
|
|
// CHECK: !1 = metadata !{i32 0, i32 1}
|
|
// CHECK: !2 = metadata !{i32 0, i32 32}
|
|
// CHECK: !3 = metadata !{i32 -16, i32 16}
|
|
// CHECK: !4 = metadata !{i32 -32, i32 32}
|
|
// CHECK: !5 = metadata !{i32 -1, i32 1}
|
|
// CHECK: !6 = metadata !{i32 -64, i32 64}
|
|
// CHECK: !7 = metadata !{i64 0, i64 8589934592}
|