diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUCombine.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUCombine.td | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUCombine.td b/llvm/lib/Target/AMDGPU/AMDGPUCombine.td index b9411e2..9218760 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUCombine.td +++ b/llvm/lib/Target/AMDGPU/AMDGPUCombine.td @@ -33,6 +33,12 @@ def rcp_sqrt_to_rsq : GICombineRule< [{ return matchRcpSqrtToRsq(*${rcp}, ${matchinfo}); }]), (apply [{ Helper.applyBuildFn(*${rcp}, ${matchinfo}); }])>; +def fdiv_by_sqrt_to_rsq_f16 : GICombineRule< + (defs root:$root), + (match (G_FSQRT f16:$sqrt, $x, (MIFlags FmContract)), + (G_FDIV f16:$dst, $y, $sqrt, (MIFlags FmContract)):$root, + [{ return matchFDivSqrtToRsqF16(*${root}); }]), + (apply [{ applyFDivSqrtToRsqF16(*${root}, ${x}.getReg()); }])>; def cvt_f32_ubyteN_matchdata : GIDefMatchData<"CvtF32UByteMatchInfo">; @@ -156,7 +162,7 @@ def AMDGPUPostLegalizerCombiner: GICombiner< "AMDGPUPostLegalizerCombinerImpl", [all_combines, gfx6gfx7_combines, gfx8_combines, uchar_to_float, cvt_f32_ubyteN, remove_fcanonicalize, foldable_fneg, - rcp_sqrt_to_rsq, sign_extension_in_reg, smulu64]> { + rcp_sqrt_to_rsq, fdiv_by_sqrt_to_rsq_f16, sign_extension_in_reg, smulu64]> { let CombineAllMethodName = "tryCombineAllImpl"; } |