diff options
Diffstat (limited to 'test/CodeGen/debug-info-enum.cpp')
| -rw-r--r-- | test/CodeGen/debug-info-enum.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/test/CodeGen/debug-info-enum.cpp b/test/CodeGen/debug-info-enum.cpp new file mode 100644 index 000000000000..1237f28b9a55 --- /dev/null +++ b/test/CodeGen/debug-info-enum.cpp @@ -0,0 +1,100 @@ +// Test enumeration representation in debuig info metadata: +// * test value representation for each possible underlying integer type +// * test the integer type is as expected +// * test the DW_AT_enum_class attribute is present (resp. absent) as expected. + +// RUN: %clang -target x86_64-linux -g -S -emit-llvm -o - %s | FileCheck %s + + +enum class E0 : signed char { + A0 = -128, + B0 = 127, +} x0; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0" +// CHECK-SAME: baseType: ![[SCHAR:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS0:[0-9]+]] +// CHECK: ![[SCHAR]] = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) +// CHECK: ![[ELTS0]] = !{![[A0:[0-9]+]], ![[B0:[0-9]+]]} +// CHECK: ![[A0]] = !DIEnumerator(name: "A0", value: -128) +// CHECK: ![[B0]] = !DIEnumerator(name: "B0", value: 127) + +enum class E1 : unsigned char { A1 = 255 } x1; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1" +// CHECK-SAME: baseType: ![[UCHAR:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS1:[0-9]+]] +// CHECK: ![[UCHAR]] = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) +// CHECK: ![[ELTS1]] = !{![[A1:[0-9]+]]} +// CHECK: ![[A1]] = !DIEnumerator(name: "A1", value: 255, isUnsigned: true) + +enum class E2 : signed short { + A2 = -32768, + B2 = 32767, +} x2; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2" +// CHECK-SAME: baseType: ![[SHORT:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS2:[0-9]+]] +// CHECK: ![[SHORT]] = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) +// CHECK: ![[ELTS2]] = !{![[A2:[0-9]+]], ![[B2:[0-9]+]]} +// CHECK: ![[A2]] = !DIEnumerator(name: "A2", value: -32768) +// CHECK: ![[B2]] = !DIEnumerator(name: "B2", value: 32767) + +enum class E3 : unsigned short { A3 = 65535 } x3; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3" +// CHECK-SAME: baseType: ![[USHORT:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS3:[0-9]+]] +// CHECK: ![[USHORT]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) +// CHECK: ![[ELTS3]] = !{![[A3:[0-9]+]]} +// CHECK: ![[A3]] = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true) + +enum class E4 : signed int { A4 = -2147483648, B4 = 2147483647 } x4; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4" +// CHECK-SAME: baseType: ![[INT:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS4:[0-9]+]] +// CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +// CHECK: ![[ELTS4]] = !{![[A4:[0-9]+]], ![[B4:[0-9]+]]} +// CHECK: ![[A4]] = !DIEnumerator(name: "A4", value: -2147483648) +// CHECK: ![[B4]] = !DIEnumerator(name: "B4", value: 2147483647) + +enum class E5 : unsigned int { A5 = 4294967295 } x5; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5" +// CHECK-SAME: baseType: ![[UINT:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS5:[0-9]+]] +// CHECK: ![[UINT]] = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) +// CHECK: ![[ELTS5]] = !{![[A5:[0-9]+]]} +// CHECK: ![[A5]] = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true) + +enum class E6 : signed long long { + A6 = -9223372036854775807LL - 1, + B6 = 9223372036854775807LL +} x6; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6" +// CHECK-SAME: baseType: ![[LONG:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS6:[0-9]+]] +// CHECK: ![[LONG]] = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) +// CHECK: ![[ELTS6]] = !{![[A6:[0-9]+]], ![[B6:[0-9]+]]} +// CHECK: ![[A6]] = !DIEnumerator(name: "A6", value: -9223372036854775808) +// CHECK: ![[B6]] = !DIEnumerator(name: "B6", value: 9223372036854775807) + +enum class E7 : unsigned long long { A7 = 18446744073709551615ULL } x7; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7" +// CHECK-SAME: baseType: ![[ULONG:[0-9]+]] +// CHECK-SAME: DIFlagFixedEnum +// CHECK-SAME: elements: ![[ELTS7:[0-9]+]] +// CHECK: ![[ULONG]] = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) +// CHECK: ![[ELTS7]] = !{![[A7:[0-9]+]]} +// CHECK: ![[A7]] = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true) + +// Also test the FixedEnum flag is not present for old-style enumerations. +enum E8 { A8 = -128, B8 = 127 } x8; +// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8" +// CHECK-SAME: baseType: ![[INT]] +// CHECK-NOT: DIFlagFixedEnum +// CHECK: !DIEnumerator(name: "A8", value: -128) + |