Add some constantness in MachinePostDominators.h.

[oota-llvm.git] / include / llvm / Support / Dwarf.h

diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 697ef4563473e7c998d0cdeaddac2924807be3dc..b52914f93851f0260f1212ac9b79dddb78f8c89b 100644 (file)
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -16,6 +16,9 @@
 #ifndef LLVM_SUPPORT_DWARF_H
 #define LLVM_SUPPORT_DWARF_H
 
+#include "llvm/Support/DataTypes.h"
+
+
 namespace llvm {
 
 //===----------------------------------------------------------------------===//
@@ -37,7 +40,7 @@ enum {
 namespace dwarf {
 
 //===----------------------------------------------------------------------===//
-// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
+// Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
 // reference manual http://dwarf.freestandards.org .
 //
 
@@ -50,15 +53,19 @@ enum llvm_dwarf_constants {
 
   DW_TAG_auto_variable = 0x100,         // Tag for local (auto) variables.
   DW_TAG_arg_variable = 0x101,          // Tag for argument variables.
-  DW_TAG_return_variable = 0x102,       // Tag for return variables.
-  DW_TAG_vector_type = 0x103,           // Tag for vector types.
 
   DW_TAG_user_base = 0x1000,            // Recommended base for user tags.
 
-  DW_CIE_VERSION = 1,                   // Common frame information version.
-  DW_CIE_ID       = 0xffffffff          // Common frame information mark.
+  DW_CIE_VERSION = 1                    // Common frame information version.
 };
 
+
+// Special ID values that distinguish a CIE from a FDE in DWARF CFI.
+// Not inside an enum because a 64-bit value is needed.
+const uint32_t DW_CIE_ID = UINT32_MAX;
+const uint64_t DW64_CIE_ID = UINT64_MAX;
+
+
 enum dwarf_constants {
   DWARF_VERSION = 2,