diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstructions.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstructions.td | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td index 5ec3cc2102a..e74dbacbfb5 100644 --- a/llvm/lib/Target/AMDGPU/SIInstructions.td +++ b/llvm/lib/Target/AMDGPU/SIInstructions.td @@ -1216,6 +1216,14 @@ def : Pat < // Miscellaneous Optimization Patterns //============================================================================// +// Undo sub x, c -> add x, -c canonicalization since c is more likely +// an inline immediate than -c. +// TODO: Also do for 64-bit. +def : Pat< + (add i32:$src0, (i32 NegSubInlineConst32:$src1)), + (S_SUB_I32 $src0, NegSubInlineConst32:$src1) +>; + def : SHA256MaPattern <V_BFI_B32, V_XOR_B32_e64>; def : IntMed3Pat<V_MED3_I32, smax, smax_oneuse, smin_oneuse>; @@ -1235,14 +1243,11 @@ class FPMed3Pat<ValueType vt, def : FPMed3Pat<f32, V_MED3_F32>; - -// Undo sub x, c -> add x, -c canonicalization since c is more likely -// an inline immediate than -c. -// TODO: Also do for 64-bit. -def : Pat< - (add i32:$src0, (i32 NegSubInlineConst32:$src1)), - (S_SUB_I32 $src0, NegSubInlineConst32:$src1) ->; +let Predicates = [isGFX9] in { +def : FPMed3Pat<f16, V_MED3_F16>; +def : IntMed3Pat<V_MED3_I16, smax, smax_oneuse, smin_oneuse, i16>; +def : IntMed3Pat<V_MED3_U16, umax, umax_oneuse, umin_oneuse, i16>; +} // End Predicates = [isGFX9] //============================================================================// // Assembler aliases |
