tree 2d35eedf2da663fff5367e93b27bd9f8f20fad84
parent 72596b333fef81275d281081cfdb63f3f1eb940a
author Fabian Ritter <fabian.ritter@amd.com> 1758200467 +0200
committer GitHub <noreply@github.com> 1758200467 +0200
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[AMDGPU][SDAG] Handle ISD::PTRADD in VOP3 patterns (#143881)

This patch mirrors similar patterns for ISD::ADD. The main difference is
that ISD::ADD is commutative, so that a pattern definition for, e.g.,
(add (mul x, y), z), automatically also handles (add z, (mul x, y)).
ISD::PTRADD is not commutative, so we would need to handle these cases
explicitly. This patch only implements (ptradd z, (op x, y)) patterns,
where the nested operation (shift or multiply) is the offset of the
ptradd (i.e., the right operand), since base pointers that are the
result of a shift or multiply seem less likely.

For SWDEV-516125.