6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-13 09:33:50 +00:00
Code Issues Projects Releases Wiki Activity

Fix the root cause of the bootstrap failure:

Browse Source 
There was no way to check if a given register/mode pair was valid. We now return
an error code (-2) instead of asserting. If anyone thinks that an assert
at this point  is really needed, we can autogen a hasValidDwarfRegNum instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132236 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-05-28 00:13:01 +00:00
parent de64aaf6c8
commit 7bf114c1bd
2 changed files with 3 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -769,7 +769,7 @@ void AsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const {
int Reg = TRI->getDwarfRegNum(MLoc.getReg(), false);
for (const unsigned *SR = TRI->getSuperRegisters(MLoc.getReg());
*SR && Reg == -1; ++SR) {
*SR && Reg < 0; ++SR) {
Reg = TRI->getDwarfRegNum(*SR, false);
// FIXME: Get the bit range this register uses of the superregister
// so that we can produce a DW_OP_bit_piece

9
utils/TableGen/RegisterInfoEmitter.cpp
View File

@ -1010,13 +1010,8 @@ void RegisterInfoEmitter::run(raw_ostream &OS) {
for (DwarfRegNumsMapTy::iterator
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I) {
int RegNo = I->second[i];
if (RegNo != -2)
OS << " case " << getQualifiedName(I->first) << ":\n"
<< " return " << RegNo << ";\n";
else
OS << " case " << getQualifiedName(I->first) << ":\n"
<< " assert(0 && \"Invalid register for this mode\");\n"
<< " return -1;\n";
OS << " case " << getQualifiedName(I->first) << ":\n"
<< " return " << RegNo << ";\n";
}
OS << " };\n";
}