Make provision to have floating point constants in .debug_loc expressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134702 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index abda2e6..3635546 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -69,17 +69,35 @@
const MDNode *Variable;
bool Merged;
bool Constant;
- int64_t iConstant;
+ enum EntryType {
+ E_Location,
+ E_Integer,
+ E_ConstantFP,
+ E_ConstantInt
+ };
+ enum EntryType EntryKind;
+
+ union {
+ int64_t Int;
+ const ConstantFP *CFP;
+ const ConstantInt *CIP;
+ } Constants;
DotDebugLocEntry()
: Begin(0), End(0), Variable(0), Merged(false),
- Constant(false), iConstant(0) {}
+ Constant(false) { Constants.Int = 0;}
DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L,
const MDNode *V)
: Begin(B), End(E), Loc(L), Variable(V), Merged(false),
- Constant(false), iConstant(0) {}
+ Constant(false) { Constants.Int = 0; EntryKind = E_Location; }
DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, int64_t i)
: Begin(B), End(E), Variable(0), Merged(false),
- Constant(true), iConstant(i) {}
+ Constant(true) { Constants.Int = i; EntryKind = E_Integer; }
+ DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantFP *FPtr)
+ : Begin(B), End(E), Variable(0), Merged(false),
+ Constant(true) { Constants.CFP = FPtr; EntryKind = E_ConstantFP; }
+ DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, const ConstantInt *IPtr)
+ : Begin(B), End(E), Variable(0), Merged(false),
+ Constant(true) { Constants.CIP = IPtr; EntryKind = E_ConstantInt; }
/// Empty entries are also used as a trigger to emit temp label. Such
/// labels are referenced is used to find debug_loc offset for a given DIE.
@@ -91,8 +109,13 @@
Next->Begin = Begin;
Merged = true;
}
- bool isConstant() { return Constant; }
- int64_t getConstant() { return iConstant; }
+ bool isLocation() const { return EntryKind == E_Location; }
+ bool isInt() const { return EntryKind == E_Integer; }
+ bool isConstantFP() const { return EntryKind == E_ConstantFP; }
+ bool isConstantInt() const { return EntryKind == E_ConstantInt; }
+ int64_t getInt() { return Constants.Int; }
+ const ConstantFP *getConstantFP() { return Constants.CFP; }
+ const ConstantInt *getConstantInt() { return Constants.CIP; }
} DotDebugLocEntry;
//===----------------------------------------------------------------------===//