Do not drop constant values when a variable's content is described using .debug_loc entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132427 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 5b29f78..abda2e6 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -68,10 +68,19 @@
MachineLocation Loc;
const MDNode *Variable;
bool Merged;
- DotDebugLocEntry() : Begin(0), End(0), Variable(0), Merged(false) {}
+ bool Constant;
+ int64_t iConstant;
+ DotDebugLocEntry()
+ : Begin(0), End(0), Variable(0), Merged(false),
+ Constant(false), iConstant(0) {}
DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L,
const MDNode *V)
- : Begin(B), End(E), Loc(L), Variable(V), Merged(false) {}
+ : Begin(B), End(E), Loc(L), Variable(V), Merged(false),
+ Constant(false), iConstant(0) {}
+ DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, int64_t i)
+ : Begin(B), End(E), Variable(0), Merged(false),
+ Constant(true), iConstant(i) {}
+
/// 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.
bool isEmpty() { return Begin == 0 && End == 0; }
@@ -82,6 +91,8 @@
Next->Begin = Begin;
Merged = true;
}
+ bool isConstant() { return Constant; }
+ int64_t getConstant() { return iConstant; }
} DotDebugLocEntry;
//===----------------------------------------------------------------------===//