================
@@ -58,6 +59,107 @@ static RValue emitBuiltinBitOp(CIRGenFunction &cgf, const
CallExpr *e,
return RValue::get(result);
}
+/// Emit the conversions required to turn the given value into an
+/// integer of the given size.
+static mlir::Value emitToInt(CIRGenFunction &cgf, mlir::Value v, QualType t,
+ cir::IntType intType) {
+ v = cgf.emitToMemory(v, t);
+
+ if (isa<cir::PointerType>(v.getType()))
+ return cgf.getBuilder().createPtrToInt(v, intType);
+
+ assert(v.getType() == intType);
+ return v;
+}
+
+static mlir::Value emitFromInt(CIRGenFunction &cgf, mlir::Value v, QualType t,
+ mlir::Type resultType) {
+ v = cgf.emitFromMemory(v, t);
+
+ if (isa<cir::PointerType>(resultType))
+ return cgf.getBuilder().createIntToPtr(v, resultType);
+
+ assert(v.getType() == resultType);
+ return v;
+}
+
+static Address checkAtomicAlignment(CIRGenFunction &cgf, const CallExpr *e) {
+ ASTContext &astContext = cgf.getContext();
+ Address ptr = cgf.emitPointerWithAlignment(e->getArg(0));
+ unsigned bytes =
+ isa<cir::PointerType>(ptr.getElementType())
+ ? astContext.getTypeSizeInChars(astContext.VoidPtrTy).getQuantity()
+ : cgf.cgm.getDataLayout().getTypeSizeInBits(ptr.getElementType()) /
8;
----------------
andykaylor wrote:
It's not clear to me why we'd get type size in bits and then divide as opposed
to just calling `getTypeSize`. Classic codegen uses `DL.getTypeStoreSize` but
the MLIR DataLayout interface doesn't seem to have an equivalent function.
https://github.com/llvm/llvm-project/pull/168347
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