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Map comparison predicates to strings for C++ output in a stand-alone function.

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This commit is contained in:
Matt Pharr
2012-07-06 16:00:09 -07:00
parent ec0918045d
commit 45e9e0be0b
1 changed files with 38 additions and 30 deletions
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68
cbackend.cpp
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@@ -3165,23 +3165,46 @@ void CWriter::visitBinaryOperator(llvm::Instruction &I) {
} }
} }
static const char *
lPredicateToString(llvm::CmpInst::Predicate p) {
switch (p) {
case llvm::ICmpInst::ICMP_EQ: return "__equal";
case llvm::ICmpInst::ICMP_NE: return "__not_equal";
case llvm::ICmpInst::ICMP_ULE: return "__unsigned_less_equal";
case llvm::ICmpInst::ICMP_SLE: return "__signed_less_equal";
case llvm::ICmpInst::ICMP_UGE: return "__unsigned_greater_equal";
case llvm::ICmpInst::ICMP_SGE: return "__signed_greater_equal";
case llvm::ICmpInst::ICMP_ULT: return "__unsigned_less_than";
case llvm::ICmpInst::ICMP_SLT: return "__signed_less_than";
case llvm::ICmpInst::ICMP_UGT: return "__unsigned_greater_than";
case llvm::ICmpInst::ICMP_SGT: return "__signed_greater_than";
case llvm::FCmpInst::FCMP_ORD: return "__ordered";
case llvm::FCmpInst::FCMP_UNO: return "__cmpunord";
case llvm::FCmpInst::FCMP_UEQ: return "__equal";
case llvm::FCmpInst::FCMP_UNE: return "__not_equal";
case llvm::FCmpInst::FCMP_ULT: return "__less_than";
case llvm::FCmpInst::FCMP_ULE: return "__less_equal";
case llvm::FCmpInst::FCMP_UGT: return "__greater_than";
case llvm::FCmpInst::FCMP_UGE: return "__greater_equal";
case llvm::FCmpInst::FCMP_OEQ: return "__equal";
case llvm::FCmpInst::FCMP_ONE: return "__not_equal";
case llvm::FCmpInst::FCMP_OLT: return "__less_than";
case llvm::FCmpInst::FCMP_OLE: return "__less_equal";
case llvm::FCmpInst::FCMP_OGT: return "__greater_than";
case llvm::FCmpInst::FCMP_OGE: return "__greater_equal";
default: llvm_unreachable(0); return NULL;
}
}
void CWriter::visitICmpInst(llvm::ICmpInst &I) { void CWriter::visitICmpInst(llvm::ICmpInst &I) {
bool isVector = llvm::isa<llvm::VectorType>(I.getOperand(0)->getType()); bool isVector = llvm::isa<llvm::VectorType>(I.getOperand(0)->getType());
if (isVector) { if (isVector) {
switch (I.getPredicate()) { Out << lPredicateToString(I.getPredicate());
case llvm::ICmpInst::ICMP_EQ: Out << "__equal"; break;
case llvm::ICmpInst::ICMP_NE: Out << "__not_equal"; break;
case llvm::ICmpInst::ICMP_ULE: Out << "__unsigned_less_equal"; break;
case llvm::ICmpInst::ICMP_SLE: Out << "__signed_less_equal"; break;
case llvm::ICmpInst::ICMP_UGE: Out << "__unsigned_greater_equal"; break;
case llvm::ICmpInst::ICMP_SGE: Out << "__signed_greater_equal"; break;
case llvm::ICmpInst::ICMP_ULT: Out << "__unsigned_less_than"; break;
case llvm::ICmpInst::ICMP_SLT: Out << "__signed_less_than"; break;
case llvm::ICmpInst::ICMP_UGT: Out << "__unsigned_greater_than"; break;
case llvm::ICmpInst::ICMP_SGT: Out << "__signed_greater_than"; break;
default: llvm_unreachable(0);
}
Out << "("; Out << "(";
writeOperand(I.getOperand(0)); writeOperand(I.getOperand(0));
Out << ", "; Out << ", ";
@@ -3246,23 +3269,8 @@ void CWriter::visitFCmpInst(llvm::FCmpInst &I) {
// ispc source. // ispc source.
if (isVector) { if (isVector) {
switch (I.getPredicate()) { Out << lPredicateToString(I.getPredicate());
default: llvm_unreachable("Illegal FCmp predicate"); Out << "(";
case llvm::FCmpInst::FCMP_ORD: Out << "__ordered("; break;
case llvm::FCmpInst::FCMP_UNO: Out << "__cmpunord("; break;
case llvm::FCmpInst::FCMP_UEQ: Out << "__equal("; break;
case llvm::FCmpInst::FCMP_UNE: Out << "__not_equal("; break;
case llvm::FCmpInst::FCMP_ULT: Out << "__less_than("; break;
case llvm::FCmpInst::FCMP_ULE: Out << "__less_equal("; break;
case llvm::FCmpInst::FCMP_UGT: Out << "__greater_than("; break;
case llvm::FCmpInst::FCMP_UGE: Out << "__greater_equal("; break;
case llvm::FCmpInst::FCMP_OEQ: Out << "__equal("; break;
case llvm::FCmpInst::FCMP_ONE: Out << "__not_equal("; break;
case llvm::FCmpInst::FCMP_OLT: Out << "__less_than("; break;
case llvm::FCmpInst::FCMP_OLE: Out << "__less_equal("; break;
case llvm::FCmpInst::FCMP_OGT: Out << "__greater_than("; break;
case llvm::FCmpInst::FCMP_OGE: Out << "__greater_equal("; break;
}
} }
else { else {
const char* op = 0; const char* op = 0;