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[FRONTEND] Add scalar type support for some ops (#661)

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This PR adds basic support for scalar-type inputs to some ops (cast and pointer arithmetics) for Triton-MLIR. Also renames getelementptr -> addptr
This commit is contained in:
Shintaro Iwasaki
2022-09-15 16:12:52 -07:00
committed by GitHub
parent 2e08450c80
commit 43be75ad42
27 changed files with 203 additions and 129 deletions
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2
lib/Dialect/Triton/Transforms/Combine.cpp
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@@ -194,7 +194,7 @@ public:
patterns.add<CombineDotAddFRevPattern>(context);
// %}
patterns.add<CombineSelectMaskedLoadPattern>(context);
patterns.add<CombineGEPPattern>(context);
patterns.add<CombineAddPtrPattern>(context);
patterns.add<CombineBroadcastConstantPattern>(context);
if (applyPatternsAndFoldGreedily(m, std::move(patterns)).failed())

8
lib/Dialect/Triton/Transforms/Combine.td
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@@ -30,12 +30,12 @@ def CombineDotAddFRevPattern : Pat<
[(Constraint<CPred<"isZero($0)">> $c)]>;
// gep(gep(%ptr, %idx0), %idx1) => gep(%ptr, AddI(%idx0, %idx1))
// addptr(addptr(%ptr, %idx0), %idx1) => addptr(%ptr, AddI(%idx0, %idx1))
// Note: leave (sub %c0, %c0) canceling to ArithmeticDialect
// (ref: ArithmeticCanonicalization.td)
def CombineGEPPattern : Pat<
(TT_GEPOp (TT_GEPOp $ptr, $idx0), $idx1),
(TT_GEPOp $ptr, (Arith_AddIOp $idx0, $idx1))>;
def CombineAddPtrPattern : Pat<
(TT_AddPtrOp (TT_AddPtrOp $ptr, $idx0), $idx1),
(TT_AddPtrOp $ptr, (Arith_AddIOp $idx0, $idx1))>;
// broadcast(cst) => cst
def getConstantValue : NativeCodeCall<"getConstantValue($_builder, $0, $1)">;