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ARM isel bug fix for adds/subs operands.

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Modified ARMISelLowering::AdjustInstrPostInstrSelection to handle the
full gamut of CPSR defs/uses including instructins whose "optional"
cc_out operand is not really optional. This allowed removal of the
hasPostISelHook to simplify the .td files and make the implementation
more robust.
Fixes rdar://10137436: sqlite3 miscompile


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140134 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-09-20 03:17:40 +00:00
parent 3af7a67629
commit 4815d56bb2
10 changed files with 120 additions and 44 deletions
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3
utils/TableGen/InstrInfoEmitter.cpp
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@@ -288,7 +288,6 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
if (Inst.isNotDuplicable) OS << "|(1<<MCID::NotDuplicable)";
if (Inst.Operands.hasOptionalDef) OS << "|(1<<MCID::HasOptionalDef)";
if (Inst.usesCustomInserter) OS << "|(1<<MCID::UsesCustomInserter)";
if (Inst.hasPostISelHook) OS << "|(1<<MCID::HasPostISelHook)";
if (Inst.Operands.isVariadic)OS << "|(1<<MCID::Variadic)";
if (Inst.hasSideEffects) OS << "|(1<<MCID::UnmodeledSideEffects)";
if (Inst.isAsCheapAsAMove) OS << "|(1<<MCID::CheapAsAMove)";
@@ -345,7 +344,7 @@ void InstrInfoEmitter::emitEnums(raw_ostream &OS) {
// We must emit the PHI opcode first...
std::string Namespace = Target.getInstNamespace();
if (Namespace.empty()) {
fprintf(stderr, "No instructions defined!\n");
exit(1);