[llvm-commits] [llvm] r132197 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
Devang Patel
dpatel at apple.com
Fri May 27 11:15:52 PDT 2011
Author: dpatel
Date: Fri May 27 13:15:52 2011
New Revision: 132197
URL: http://llvm.org/viewvc/llvm-project?rev=132197&view=rev
Log:
Handle signed types gracefully.
This fixes regressions reported by buildbots as a fallout of r132193.
Modified:
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=132197&r1=132196&r2=132197&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Fri May 27 13:15:52 2011
@@ -444,16 +444,28 @@
DIType Ty) {
assert (MO.isImm() && "Invalid machine operand!");
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
- unsigned Imm = MO.getImm();
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);
+ DIBasicType BTy(Ty);
+ if (BTy.Verify()) {
+ unsigned Encoding = BTy.getEncoding();
+ if (Encoding == dwarf::DW_ATE_signed ||
+ Encoding == dwarf::DW_ATE_signed_char) {
+ form = dwarf::DW_FORM_sdata;
+ addSInt(Block, 0, dwarf::DW_FORM_sdata, MO.getImm());
+ } else {
+ 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, MO.getImm());
+ }
+ } else
+ //if this is not basic type then just use _udata.
+ addUInt(Block, 0, form, MO.getImm());
+
addBlock(Die, dwarf::DW_AT_const_value, 0, Block);
return true;
}
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