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Eliminate some GCC warnings from the generated code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24897 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-12-21 05:31:05 +00:00
parent 7669a51c34
commit 4e6a1d2433
1 changed files with 17 additions and 9 deletions
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26
utils/TableGen/DAGISelEmitter.cpp
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@ -1770,18 +1770,24 @@ public:
TreePatternNode *pattern, TreePatternNode *instr,
unsigned PatNum, std::ostream &os) :
ISE(ise), Predicates(preds), Pattern(pattern), Instruction(instr),
PatternNo(PatNum), OS(os), FoundChain(false), TmpNo(0) {};
PatternNo(PatNum), OS(os), FoundChain(false), TmpNo(0) {}
/// isPredeclaredSDOperand - Return true if this is one of the predeclared
/// SDOperands.
bool isPredeclaredSDOperand(const std::string &OpName) const {
return OpName == "N0" || OpName == "N1" || OpName == "N2" ||
OpName == "N00" || OpName == "N01" ||
OpName == "N10" || OpName == "N11" ||
OpName == "Tmp0" || OpName == "Tmp1" ||
OpName == "Tmp2" || OpName == "Tmp3";
}
/// DeclareSDOperand - Emit "SDOperand <opname>" or "<opname>". This works
/// around an ugly GCC bug where SelectCode is using too much stack space
void DeclareSDOperand(const std::string &OpName) const {
// If it's one of the common cases declared at the top of SelectCode, just
// use the existing declaration.
if (OpName == "N0" || OpName == "N1" || OpName == "N2" ||
OpName == "N00" || OpName == "N01" ||
OpName == "N10" || OpName == "N11" ||
OpName == "Tmp0" || OpName == "Tmp1" ||
OpName == "Tmp2" || OpName == "Tmp3")
if (isPredeclaredSDOperand(OpName))
OS << OpName;
else
OS << "SDOperand " << OpName;
@ -1986,9 +1992,11 @@ public:
std::string Fn = CP->getSelectFunc();
NumRes = CP->getNumOperands();
for (unsigned i = 0; i != NumRes; ++i) {
OS << " ";
DeclareSDOperand("Tmp" + utostr(i+ResNo));
OS << ";\n";
if (!isPredeclaredSDOperand("Tmp" + utostr(i+ResNo))) {
OS << " ";
DeclareSDOperand("Tmp" + utostr(i+ResNo));
OS << ";\n";
}
}
OS << " if (!" << Fn << "(" << Val;
for (unsigned i = 0; i < NumRes; i++)