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Select DW_AT_const_value size based on global variable size.

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llvm-svn: 132239
This commit is contained in:
Devang Patel 2011-05-28 00:39:18 +00:00
parent 707fa44bc0
commit 93e78e996f
1 changed files with 13 additions and 5 deletions
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18
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -493,13 +493,21 @@ bool CompileUnit::addConstantFPValue(DIE *Die, const MachineOperand &MO) {
/// addConstantValue - Add constant value entry in variable DIE. /// addConstantValue - Add constant value entry in variable DIE.
bool CompileUnit::addConstantValue(DIE *Die, ConstantInt *CI, bool CompileUnit::addConstantValue(DIE *Die, ConstantInt *CI,
bool Unsigned) { bool Unsigned) {
if (CI->getBitWidth() <= 64) { unsigned CIBitWidth = CI->getBitWidth();
if (CIBitWidth <= 64) {
unsigned form = 0;
switch (CIBitWidth) {
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:
form = Unsigned ? dwarf::DW_FORM_udata : dwarf::DW_FORM_sdata;
}
if (Unsigned) if (Unsigned)
addUInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata, addUInt(Die, dwarf::DW_AT_const_value, form, CI->getZExtValue());
CI->getZExtValue());
else else
addSInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, addSInt(Die, dwarf::DW_AT_const_value, form, CI->getSExtValue());
CI->getSExtValue());
return true; return true;
} }