From d6a8136e66f0095c7306cad022d792a57e88ba01 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Sat, 28 May 2011 00:39:18 +0000 Subject: [PATCH] Select DW_AT_const_value size based on global variable size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132239 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp index 212b0865e9d..9e4a61d52f6 100644 --- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp @@ -493,13 +493,21 @@ bool CompileUnit::addConstantFPValue(DIE *Die, const MachineOperand &MO) { /// addConstantValue - Add constant value entry in variable DIE. bool CompileUnit::addConstantValue(DIE *Die, ConstantInt *CI, 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) - addUInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_udata, - CI->getZExtValue()); + addUInt(Die, dwarf::DW_AT_const_value, form, CI->getZExtValue()); else - addSInt(Die, dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, - CI->getSExtValue()); + addSInt(Die, dwarf::DW_AT_const_value, form, CI->getSExtValue()); return true; }