r324508 - Revert [DebugInfo] Improvements to representation of enumeration types (PR36168)"

Momchil Velikov via cfe-commits cfe-commits at lists.llvm.org
Wed Feb 7 11:57:05 PST 2018


Author: chill
Date: Wed Feb  7 11:57:04 2018
New Revision: 324508

URL: http://llvm.org/viewvc/llvm-project?rev=324508&view=rev
Log:
Revert [DebugInfo] Improvements to representation of enumeration types (PR36168)"

Revert due to breaking buildbots (LLDB tests)

Removed:
    cfe/trunk/test/CodeGen/debug-info-enum.cpp
Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
    cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp
    cfe/trunk/test/CodeGenCXX/debug-info-enum.cpp
    cfe/trunk/test/Modules/ModuleDebugInfo.cpp

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=324508&r1=324507&r2=324508&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Wed Feb  7 11:57:04 2018
@@ -2492,12 +2492,9 @@ llvm::DIType *CGDebugInfo::CreateTypeDef
   // Create elements for each enumerator.
   SmallVector<llvm::Metadata *, 16> Enumerators;
   ED = ED->getDefinition();
-  bool IsSigned = ED->getIntegerType()->isSignedIntegerType();
   for (const auto *Enum : ED->enumerators()) {
-    const auto &InitVal = Enum->getInitVal();
-    auto Value = IsSigned ? InitVal.getSExtValue() : InitVal.getZExtValue();
-    Enumerators.push_back(
-        DBuilder.createEnumerator(Enum->getName(), Value, !IsSigned));
+    Enumerators.push_back(DBuilder.createEnumerator(
+        Enum->getName(), Enum->getInitVal().getSExtValue()));
   }
 
   // Return a CompositeType for the enum itself.
@@ -2506,10 +2503,11 @@ llvm::DIType *CGDebugInfo::CreateTypeDef
   llvm::DIFile *DefUnit = getOrCreateFile(ED->getLocation());
   unsigned Line = getLineNumber(ED->getLocation());
   llvm::DIScope *EnumContext = getDeclContextDescriptor(ED);
-  llvm::DIType *ClassTy = getOrCreateType(ED->getIntegerType(), DefUnit);
+  llvm::DIType *ClassTy =
+      ED->isFixed() ? getOrCreateType(ED->getIntegerType(), DefUnit) : nullptr;
   return DBuilder.createEnumerationType(EnumContext, ED->getName(), DefUnit,
                                         Line, Size, Align, EltArray, ClassTy,
-                                        FullName, ED->isFixed());
+                                        FullName);
 }
 
 llvm::DIMacro *CGDebugInfo::CreateMacro(llvm::DIMacroFile *Parent,

Removed: cfe/trunk/test/CodeGen/debug-info-enum.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/debug-info-enum.cpp?rev=324507&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/debug-info-enum.cpp (original)
+++ cfe/trunk/test/CodeGen/debug-info-enum.cpp (removed)
@@ -1,100 +0,0 @@
-// 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)
-

Modified: cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp?rev=324508&r1=324507&r2=324508&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp Wed Feb  7 11:57:04 2018
@@ -15,7 +15,7 @@ D d;
 // CHECK-SAME:             baseType: ![[INT:[0-9]+]]
 // CHECK-SAME:             size: 32
 // CHECK-NOT:              offset:
-// CHECK-SAME:             flags: DIFlagFixedEnum
+// CHECK-NOT:              flags:
 // CHECK-SAME:             ){{$}}
 // CHECK: ![[INT]] = !DIBasicType(name: "int"
 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "B"
@@ -23,12 +23,12 @@ D d;
 // CHECK-SAME:             baseType: ![[ULONG:[0-9]+]]
 // CHECK-SAME:             size: 64
 // CHECK-NOT:              offset:
-// CHECK-SAME:             flags: DIFlagFixedEnum
+// CHECK-NOT:              flags:
 // CHECK-SAME:             ){{$}}
 // CHECK: ![[ULONG]] = !DIBasicType(name: "long unsigned int"
 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "C"
 // CHECK-SAME:             line: 5
-// CHECK-SAME:             baseType: ![[ULONG:[0-9]+]]
+// CHECK-NOT:              baseType:
 // CHECK-SAME:             size: 32
 // CHECK-NOT:              offset:
 // CHECK-NOT:              flags:

Modified: cfe/trunk/test/CodeGenCXX/debug-info-enum.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-enum.cpp?rev=324508&r1=324507&r2=324508&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/debug-info-enum.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/debug-info-enum.cpp Wed Feb  7 11:57:04 2018
@@ -11,7 +11,7 @@ namespace test1 {
 // CHECK-SAME:                      identifier: "_ZTSN5test11eE"
 // CHECK: [[TEST1]] = !DINamespace(name: "test1"
 // CHECK: [[TEST1_ENUMS]] = !{[[TEST1_E:![0-9]*]]}
-// CHECK: [[TEST1_E]] = !DIEnumerator(name: "E", value: 0, isUnsigned: true)
+// CHECK: [[TEST1_E]] = !DIEnumerator(name: "E", value: 0)
 enum e { E };
 void foo() {
   int v = E;

Modified: cfe/trunk/test/Modules/ModuleDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/ModuleDebugInfo.cpp?rev=324508&r1=324507&r2=324508&view=diff
==============================================================================
--- cfe/trunk/test/Modules/ModuleDebugInfo.cpp (original)
+++ cfe/trunk/test/Modules/ModuleDebugInfo.cpp Wed Feb  7 11:57:04 2018
@@ -48,7 +48,7 @@
 // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type,
 // CHECK-NOT:              name:
 // CHECK-SAME:             )
-// CHECK: !DIEnumerator(name: "e5", value: 5, isUnsigned: true)
+// CHECK: !DIEnumerator(name: "e5", value: 5)
 
 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "B",
 // no mangled name here yet.




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