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2020 Nov 17
1
[GlobalISel] Predicated TImmLeafs in patterns
Hi,
I'm trying to use predicated TImmLeafs in TableGen patterns with
GlobalISel to select intrinsics with immediate operands. While this is
working so far, contrary to ImmLeafs the predicate does not seem to get
checked. Is this not supported yet?
This is the pattern in question:
def tuimm9 : TImmLeaf<i32, [{ return isUInt<9>(Imm); }]>;
def : Pat<(int_target_foo tuimm9:$mask), (FOO tuimm9:$mask)>;
Match table when using TImmLeaf:
GIM_CheckIsImm,
Match table when using ImmLeaf:
GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_CONSTANT,
GIM_CheckI64ImmPredicate, /*MI*/1,...