IR: Add debug info flag string conversions
Add `DIDescriptor::getFlag(StringRef)` and
`DIDescriptor::getFlagString(unsigned)`. The latter only converts exact
matches; I'll add separate API for breaking the flags bitfield up into
parts.
llvm-svn: 230107
diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index f682ad5..ad75fba 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -17,6 +17,7 @@
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DIBuilder.h"
@@ -36,6 +37,24 @@
// DIDescriptor
//===----------------------------------------------------------------------===//
+unsigned DIDescriptor::getFlag(StringRef Flag) {
+ return StringSwitch<unsigned>(Flag)
+#define HANDLE_DI_FLAG(ID, NAME) .Case("DIFlag" #NAME, Flag##NAME)
+#include "llvm/IR/DebugInfoFlags.def"
+ .Default(0);
+}
+
+const char *DIDescriptor::getFlagString(unsigned Flag) {
+ switch (Flag) {
+ default:
+ return "";
+#define HANDLE_DI_FLAG(ID, NAME) \
+ case Flag##NAME: \
+ return "DIFlag" #NAME;
+#include "llvm/IR/DebugInfoFlags.def"
+ }
+}
+
bool DIDescriptor::Verify() const {
return DbgNode &&
(DIDerivedType(DbgNode).Verify() ||