================
@@ -710,6 +710,89 @@ class ScalarExprEmitter : public
StmtVisitor<ScalarExprEmitter, mlir::Value> {
HANDLEBINOP(Xor)
HANDLEBINOP(Or)
#undef HANDLEBINOP
+
+ mlir::Value emitCmp(const BinaryOperator *e) {
+ mlir::Value result;
+ QualType lhsTy = e->getLHS()->getType();
+ QualType rhsTy = e->getRHS()->getType();
+
+ auto clangCmpToCIRCmp =
+ [](clang::BinaryOperatorKind clangCmp) -> cir::CmpOpKind {
+ switch (clangCmp) {
+ case BO_LT:
+ return cir::CmpOpKind::lt;
+ case BO_GT:
+ return cir::CmpOpKind::gt;
+ case BO_LE:
+ return cir::CmpOpKind::le;
+ case BO_GE:
+ return cir::CmpOpKind::ge;
+ case BO_EQ:
+ return cir::CmpOpKind::eq;
+ case BO_NE:
+ return cir::CmpOpKind::ne;
+ default:
+ llvm_unreachable("unsupported comparison kind");
+ }
+ };
+
+ if (lhsTy->getAs<MemberPointerType>()) {
+ assert(e->getOpcode() == BO_EQ || e->getOpcode() == BO_NE);
+ mlir::Value lhs = cgf.emitScalarExpr(e->getLHS());
+ mlir::Value rhs = cgf.emitScalarExpr(e->getRHS());
+ cir::CmpOpKind kind = clangCmpToCIRCmp(e->getOpcode());
+ result =
+ builder.createCompare(cgf.getLoc(e->getExprLoc()), kind, lhs, rhs);
+ } else if (!lhsTy->isAnyComplexType() && !rhsTy->isAnyComplexType()) {
+ BinOpInfo boInfo = emitBinOps(e);
+ mlir::Value lhs = boInfo.lhs;
+ mlir::Value rhs = boInfo.rhs;
+
+ if (lhsTy->isVectorType()) {
+ assert(!cir::MissingFeatures::vectorType());
+ cgf.cgm.errorNYI(boInfo.loc, "vector comparisons");
+ result = builder.getBool(false, cgf.getLoc(boInfo.loc));
+ } else if (boInfo.isFixedPointOp()) {
+ assert(!cir::MissingFeatures::fixedPointType());
+ cgf.cgm.errorNYI(boInfo.loc, "fixed point comparisons");
+ result = builder.getBool(false, cgf.getLoc(boInfo.loc));
+ } else if (lhsTy->hasSignedIntegerRepresentation()) {
----------------
andykaylor wrote:
```suggestion
} else if (lhsTy->hasIntegerRepresentation()) {
```
We don't handle signed and unsigned compare differently, unlike classic codegen.
https://github.com/llvm/llvm-project/pull/133159
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