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IR: Add debug info flag string conversions

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-02-21 00:43:09 +00:00
parent 5eba204198
commit 2e19fabc26
3 changed files with 68 additions and 0 deletions
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19
lib/IR/DebugInfo.cpp
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@ -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 @@ using namespace llvm::dwarf;
// 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() ||