[clang] [CIR] Upstream minimal builtin function call support (PR #142981)

[Erich Keane via cfe-commits]

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@@ -229,6 +230,36 @@ class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
   cir::IntType getUInt32Ty() { return typeCache.UInt32Ty; }
   cir::IntType getUInt64Ty() { return typeCache.UInt64Ty; }
 
+  cir::ConstantOp getConstInt(mlir::Location loc, llvm::APSInt intVal);
+
+  cir::ConstantOp getConstInt(mlir::Location loc, llvm::APInt intVal);
+
+  cir::ConstantOp getConstInt(mlir::Location loc, mlir::Type t, uint64_t c);
+
+  mlir::Type getFPType(llvm::fltSemantics const &sem) {
+    switch (llvm::APFloat::SemanticsToEnum(sem)) {
+    case llvm::APFloat::S_IEEEhalf:
+      return cir::FP16Type::get(getContext(), typeCache.FP16Ty);
+    case llvm::APFloat::S_BFloat:
+      return cir::BF16Type::get(getContext(), typeCache.BFloat16Ty);
+    case llvm::APFloat::S_IEEEsingle:
+      return cir::SingleType::get(getContext(), typeCache.FloatTy);
+    case llvm::APFloat::S_IEEEdouble:
+      return cir::DoubleType::get(getContext(), typeCache.DoubleTy);
+    case llvm::APFloat::S_IEEEquad:
+      return cir::FP128Type::get(getContext(), typeCache.FP128Ty);
+    case llvm::APFloat::S_x87DoubleExtended:
+      return cir::FP80Type::get(getContext(), typeCache.FP80Ty);
+    default:
+      llvm_unreachable("Unrecognized floating semantics");
+    }
+  }
+
+  cir::ConstantOp getConstFP(mlir::Location loc, llvm::APFloat fpVal) {
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erichkeane wrote:

This too?

https://github.com/llvm/llvm-project/pull/142981