================
@@ -542,6 +542,48 @@ class OpLowerer {
});
}
+ [[nodiscard]] bool lowerRawBufferLoad(Function &F) {
+ Triple TT(Triple(M.getTargetTriple()));
+ VersionTuple DXILVersion = TT.getDXILVersion();
+ const DataLayout &DL = F.getDataLayout();
+ IRBuilder<> &IRB = OpBuilder.getIRB();
+ Type *Int8Ty = IRB.getInt8Ty();
+ Type *Int32Ty = IRB.getInt32Ty();
+
+ return replaceFunction(F, [&](CallInst *CI) -> Error {
+ IRB.SetInsertPoint(CI);
+
+ Type *OldTy = cast<StructType>(CI->getType())->getElementType(0);
+ Type *ScalarTy = OldTy->getScalarType();
+ Type *NewRetTy = OpBuilder.getResRetType(ScalarTy);
+
+ Value *Handle =
+ createTmpHandleCast(CI->getArgOperand(0), OpBuilder.getHandleType());
+ Value *Index0 = CI->getArgOperand(1);
+ Value *Index1 = CI->getArgOperand(2);
+ uint64_t NumElements =
+ DL.getTypeSizeInBits(OldTy) / DL.getTypeSizeInBits(ScalarTy);
+ Value *Mask = ConstantInt::get(Int8Ty, ~(~0U << NumElements));
+ Value *Align =
+ ConstantInt::get(Int32Ty, DL.getPrefTypeAlign(ScalarTy).value());
+
+ Expected<CallInst *> OpCall =
+ DXILVersion >= VersionTuple(1, 2)
+ ? OpBuilder.tryCreateOp(OpCode::RawBufferLoad,
+ {Handle, Index0, Index1, Mask, Align},
+ CI->getName(), NewRetTy)
+ : OpBuilder.tryCreateOp(OpCode::BufferLoad,
+ {Handle, Index0, Index1}, CI->getName(),
+ NewRetTy);
+ if (Error E = OpCall.takeError())
+ return E;
----------------
bogner wrote:
I think I agree that's nicer, but this file is littered with the `return E`
style, so it seems silly to change this one.
https://github.com/llvm/llvm-project/pull/121012
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