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[flang][NFC] Expose FIR to LLVM patterns #83492

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7 changes: 7 additions & 0 deletions flang/include/flang/Optimizer/CodeGen/CodeGen.h
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@

namespace fir {

class LLVMTypeConverter;

struct NameUniquer;

#define GEN_PASS_DECL_FIRTOLLVMLOWERING
Expand Down Expand Up @@ -80,6 +82,11 @@ std::unique_ptr<mlir::Pass> createLLVMDialectToLLVMPass(
std::unique_ptr<mlir::Pass> createBoxedProcedurePass();
std::unique_ptr<mlir::Pass> createBoxedProcedurePass(bool useThunks);

/// Populate the given list with patterns that convert from FIR to LLVM.
void populateFIRToLLVMConversionPatterns(fir::LLVMTypeConverter &converter,
mlir::RewritePatternSet &patterns,
fir::FIRToLLVMPassOptions &options);

// declarative passes
#define GEN_PASS_REGISTRATION
#include "flang/Optimizer/CodeGen/CGPasses.h.inc"
Expand Down
54 changes: 30 additions & 24 deletions flang/lib/Optimizer/CodeGen/CodeGen.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3937,30 +3937,7 @@ class FIRToLLVMLowering
options.applyTBAA || applyTBAA,
options.forceUnifiedTBAATree, *dl};
mlir::RewritePatternSet pattern(context);
pattern.insert<
AbsentOpConversion, AddcOpConversion, AddrOfOpConversion,
AllocaOpConversion, AllocMemOpConversion, BoxAddrOpConversion,
BoxCharLenOpConversion, BoxDimsOpConversion, BoxEleSizeOpConversion,
BoxIsAllocOpConversion, BoxIsArrayOpConversion, BoxIsPtrOpConversion,
BoxOffsetOpConversion, BoxProcHostOpConversion, BoxRankOpConversion,
BoxTypeCodeOpConversion, BoxTypeDescOpConversion, CallOpConversion,
CmpcOpConversion, ConstcOpConversion, ConvertOpConversion,
CoordinateOpConversion, DTEntryOpConversion, DivcOpConversion,
EmboxOpConversion, EmboxCharOpConversion, EmboxProcOpConversion,
ExtractValueOpConversion, FieldIndexOpConversion, FirEndOpConversion,
FreeMemOpConversion, GlobalLenOpConversion, GlobalOpConversion,
HasValueOpConversion, InsertOnRangeOpConversion,
InsertValueOpConversion, IsPresentOpConversion,
LenParamIndexOpConversion, LoadOpConversion, MulcOpConversion,
NegcOpConversion, NoReassocOpConversion, SelectCaseOpConversion,
SelectOpConversion, SelectRankOpConversion, SelectTypeOpConversion,
ShapeOpConversion, ShapeShiftOpConversion, ShiftOpConversion,
SliceOpConversion, StoreOpConversion, StringLitOpConversion,
SubcOpConversion, TypeDescOpConversion, TypeInfoOpConversion,
UnboxCharOpConversion, UnboxProcOpConversion, UndefOpConversion,
UnreachableOpConversion, UnrealizedConversionCastOpConversion,
XArrayCoorOpConversion, XEmboxOpConversion, XReboxOpConversion,
ZeroOpConversion>(typeConverter, options);
fir::populateFIRToLLVMConversionPatterns(typeConverter, pattern, options);
mlir::populateFuncToLLVMConversionPatterns(typeConverter, pattern);
mlir::populateOpenMPToLLVMConversionPatterns(typeConverter, pattern);
mlir::arith::populateArithToLLVMConversionPatterns(typeConverter, pattern);
Expand Down Expand Up @@ -4072,3 +4049,32 @@ fir::createLLVMDialectToLLVMPass(llvm::raw_ostream &output,
fir::LLVMIRLoweringPrinter printer) {
return std::make_unique<LLVMIRLoweringPass>(output, printer);
}

void fir::populateFIRToLLVMConversionPatterns(
fir::LLVMTypeConverter &converter, mlir::RewritePatternSet &patterns,
fir::FIRToLLVMPassOptions &options) {
patterns.insert<
AbsentOpConversion, AddcOpConversion, AddrOfOpConversion,
AllocaOpConversion, AllocMemOpConversion, BoxAddrOpConversion,
BoxCharLenOpConversion, BoxDimsOpConversion, BoxEleSizeOpConversion,
BoxIsAllocOpConversion, BoxIsArrayOpConversion, BoxIsPtrOpConversion,
BoxOffsetOpConversion, BoxProcHostOpConversion, BoxRankOpConversion,
BoxTypeCodeOpConversion, BoxTypeDescOpConversion, CallOpConversion,
CmpcOpConversion, ConstcOpConversion, ConvertOpConversion,
CoordinateOpConversion, DTEntryOpConversion, DivcOpConversion,
EmboxOpConversion, EmboxCharOpConversion, EmboxProcOpConversion,
ExtractValueOpConversion, FieldIndexOpConversion, FirEndOpConversion,
FreeMemOpConversion, GlobalLenOpConversion, GlobalOpConversion,
HasValueOpConversion, InsertOnRangeOpConversion, InsertValueOpConversion,
IsPresentOpConversion, LenParamIndexOpConversion, LoadOpConversion,
MulcOpConversion, NegcOpConversion, NoReassocOpConversion,
SelectCaseOpConversion, SelectOpConversion, SelectRankOpConversion,
SelectTypeOpConversion, ShapeOpConversion, ShapeShiftOpConversion,
ShiftOpConversion, SliceOpConversion, StoreOpConversion,
StringLitOpConversion, SubcOpConversion, TypeDescOpConversion,
TypeInfoOpConversion, UnboxCharOpConversion, UnboxProcOpConversion,
UndefOpConversion, UnreachableOpConversion,
UnrealizedConversionCastOpConversion, XArrayCoorOpConversion,
XEmboxOpConversion, XReboxOpConversion, ZeroOpConversion>(converter,
options);
}