diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUGISel.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUGISel.td | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUGISel.td b/llvm/lib/Target/AMDGPU/AMDGPUGISel.td index f27f52eb9be..768fba3f2fa 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUGISel.td +++ b/llvm/lib/Target/AMDGPU/AMDGPUGISel.td @@ -46,5 +46,38 @@ class GISelVop2Pat < (inst src0_vt:$src0, src1_vt:$src1) >; +class GISelVop2CommutePat < + SDPatternOperator node, + Instruction inst, + ValueType dst_vt, + ValueType src0_vt = dst_vt, ValueType src1_vt = src0_vt> : GCNPat < + + (dst_vt (node (src1_vt VGPR_32:$src1), (src0_vt (sd_vsrc0 src0_vt:$src0)))), + (inst src0_vt:$src0, src1_vt:$src1) +>; + +multiclass GISelVop2IntrPat < + SDPatternOperator node, Instruction inst, + ValueType dst_vt, ValueType src_vt = dst_vt> { + + def : GISelVop2Pat <node, inst, dst_vt, src_vt>; + + // FIXME: Intrinsics aren't marked as commutable, so we need to add an explcit + // pattern to handle commuting. This is another reason why legalizing to a + // generic machine instruction may be better that matching the intrinsic + // directly. + def : GISelVop2CommutePat <node, inst, dst_vt, src_vt>; +} + def : GISelSop2Pat <or, S_OR_B32, i32>; def : GISelVop2Pat <or, V_OR_B32_e32, i32>; + +// FIXME: Select directly to _e32 so we don't need to deal with modifiers. +// FIXME: We can't re-use SelectionDAG patterns here because they match +// against a custom SDNode and we would need to create a generic machine +// instruction that is equivalent to the custom SDNode. This would also require +// us to custom legalize the intrinsic to the new generic machine instruction, +// but I can't get custom legalizing of intrinsic to work and I'm not sure if +// this is even supported yet. +defm : GISelVop2IntrPat < + int_amdgcn_cvt_pkrtz, V_CVT_PKRTZ_F16_F32_e32, v2f16, f32>; |
