Select DW_AT_const_value size based on variable size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132193 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index df3a4aa..ec6954e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -440,11 +440,20 @@
}
/// addConstantValue - Add constant value entry in variable DIE.
-bool CompileUnit::addConstantValue(DIE *Die, const MachineOperand &MO) {
+bool CompileUnit::addConstantValue(DIE *Die, const MachineOperand &MO,
+ DIType Ty) {
assert (MO.isImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
unsigned Imm = MO.getImm();
- addUInt(Block, 0, dwarf::DW_FORM_udata, Imm);
+ unsigned form = dwarf::DW_FORM_udata;
+ switch (Ty.getSizeInBits()) {
+ case 8: form = dwarf::DW_FORM_data1; break;
+ case 16: form = dwarf::DW_FORM_data2; break;
+ case 32: form = dwarf::DW_FORM_data4; break;
+ case 64: form = dwarf::DW_FORM_data8; break;
+ default: break;
+ }
+ addUInt(Block, 0, form, Imm);
addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
return true;
}