diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fdiv-sqrt-to-rsq.mir')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fdiv-sqrt-to-rsq.mir | 584 |
1 files changed, 584 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fdiv-sqrt-to-rsq.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fdiv-sqrt-to-rsq.mir new file mode 100644 index 0000000..6c5339e --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fdiv-sqrt-to-rsq.mir @@ -0,0 +1,584 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4 +# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s + +--- +name: rsq_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT [[INT]](s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = contract G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: rsq_f16_missing_contract0 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16_missing_contract0 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = G_FSQRT %x + ; GCN-NEXT: %one:_(s16) = G_FCONSTANT half 0xH3C00 + ; GCN-NEXT: %rsq:_(s16) = contract G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = contract G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: rsq_f16_missing_contract1 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16_missing_contract1 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = contract G_FSQRT %x + ; GCN-NEXT: %one:_(s16) = G_FCONSTANT half 0xH3C00 + ; GCN-NEXT: %rsq:_(s16) = G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %rsq:_(s16) = contract G_FNEG [[INT]] + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %neg_one:_(s16) = G_FCONSTANT half -1.0 + %rsq:_(s16) = contract G_FDIV %neg_one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_f16_missing_contract0 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_f16_missing_contract0 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s16) = G_FCONSTANT half 0xHBC00 + ; GCN-NEXT: %rsq:_(s16) = contract G_FDIV %neg_one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = G_FSQRT %x + %neg_one:_(s16) = G_FCONSTANT half -1.0 + %rsq:_(s16) = contract G_FDIV %neg_one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_f16_missing_contract1 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_f16_missing_contract1 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = contract G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s16) = G_FCONSTANT half 0xHBC00 + ; GCN-NEXT: %rsq:_(s16) = G_FDIV %neg_one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %neg_one:_(s16) = G_FCONSTANT half -1.0 + %rsq:_(s16) = G_FDIV %neg_one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: rsq_f16_multi_use +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16_multi_use + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = contract G_FSQRT %x + ; GCN-NEXT: %one:_(s16) = G_FCONSTANT half 0xH3C00 + ; GCN-NEXT: %rsq:_(s16) = contract G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + ; GCN-NEXT: S_ENDPGM 0, implicit %sqrt(s16) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = contract G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + S_ENDPGM 0, implicit %sqrt + +... + +--- +name: rsq_f16_multi_use_missing_contract0 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16_multi_use_missing_contract0 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = G_FSQRT %x + ; GCN-NEXT: %one:_(s16) = G_FCONSTANT half 0xH3C00 + ; GCN-NEXT: %rsq:_(s16) = contract G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + ; GCN-NEXT: S_ENDPGM 0, implicit %sqrt(s16) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = contract G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + S_ENDPGM 0, implicit %sqrt + +... + +--- +name: rsq_f16_multi_use_missing_contract1 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f16_multi_use_missing_contract1 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s16) = contract G_FSQRT %x + ; GCN-NEXT: %one:_(s16) = G_FCONSTANT half 0xH3C00 + ; GCN-NEXT: %rsq:_(s16) = G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + ; GCN-NEXT: S_ENDPGM 0, implicit %sqrt(s16) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %one:_(s16) = G_FCONSTANT half 1.0 + %rsq:_(s16) = G_FDIV %one, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + S_ENDPGM 0, implicit %sqrt + +... + +--- +name: rsq_f32 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f32 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: %x:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %sqrt:_(s32) = contract G_FSQRT %x + ; GCN-NEXT: %one:_(s32) = G_FCONSTANT float 1.000000e+00 + ; GCN-NEXT: %rsq:_(s32) = contract G_FDIV %one, %sqrt + ; GCN-NEXT: $vgpr0 = COPY %rsq(s32) + %x:_(s32) = COPY $vgpr0 + %sqrt:_(s32) = contract G_FSQRT %x + %one:_(s32) = G_FCONSTANT float 1.0 + %rsq:_(s32) = contract G_FDIV %one, %sqrt + $vgpr0 = COPY %rsq + +... + +--- +name: neg_rsq_f32 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_f32 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: %x:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %sqrt:_(s32) = contract G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s32) = G_FCONSTANT float -1.000000e+00 + ; GCN-NEXT: %rsq:_(s32) = contract G_FDIV %neg_one, %sqrt + ; GCN-NEXT: $vgpr0 = COPY %rsq(s32) + %x:_(s32) = COPY $vgpr0 + %sqrt:_(s32) = contract G_FSQRT %x + %neg_one:_(s32) = G_FCONSTANT float -1.0 + %rsq:_(s32) = contract G_FDIV %neg_one, %sqrt + $vgpr0 = COPY %rsq + +... + +--- +name: afn_rsq_f32 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: afn_rsq_f32 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: %x:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %sqrt:_(s32) = contract afn G_FSQRT %x + ; GCN-NEXT: %one:_(s32) = G_FCONSTANT float 1.000000e+00 + ; GCN-NEXT: %rsq:_(s32) = contract afn G_FDIV %one, %sqrt + ; GCN-NEXT: $vgpr0 = COPY %rsq(s32) + %x:_(s32) = COPY $vgpr0 + %sqrt:_(s32) = contract afn G_FSQRT %x + %one:_(s32) = G_FCONSTANT float 1.0 + %rsq:_(s32) = contract afn G_FDIV %one, %sqrt + $vgpr0 = COPY %rsq + +... + +--- +name: afn_rsq_f32_multi_use +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: afn_rsq_f32_multi_use + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: %x:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %sqrt:_(s32) = contract afn G_FSQRT %x + ; GCN-NEXT: %one:_(s32) = G_FCONSTANT float 1.000000e+00 + ; GCN-NEXT: %rsq:_(s32) = contract afn G_FDIV %one, %sqrt + ; GCN-NEXT: %ret:_(s32) = G_FSUB %sqrt, %rsq + ; GCN-NEXT: $vgpr0 = COPY %ret(s32) + %x:_(s32) = COPY $vgpr0 + %sqrt:_(s32) = contract afn G_FSQRT %x + %one:_(s32) = G_FCONSTANT float 1.0 + %rsq:_(s32) = contract afn G_FDIV %one, %sqrt + %ret:_(s32) = G_FSUB %sqrt, %rsq + $vgpr0 = COPY %ret + +... + +--- +name: afn_neg_rsq_f32 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: afn_neg_rsq_f32 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: %x:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %sqrt:_(s32) = contract afn G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s32) = G_FCONSTANT float -1.000000e+00 + ; GCN-NEXT: %rsq:_(s32) = contract afn G_FDIV %neg_one, %sqrt + ; GCN-NEXT: $vgpr0 = COPY %rsq(s32) + %x:_(s32) = COPY $vgpr0 + %sqrt:_(s32) = contract afn G_FSQRT %x + %neg_one:_(s32) = G_FCONSTANT float -1.0 + %rsq:_(s32) = contract afn G_FDIV %neg_one, %sqrt + $vgpr0 = COPY %rsq + +... + + +--- +name: rsq_f64 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_f64 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s64) = G_ANYEXT [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s64) = contract G_FSQRT %x + ; GCN-NEXT: %one:_(s64) = G_FCONSTANT double 1.000000e+00 + ; GCN-NEXT: %rsq:_(s64) = contract G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_TRUNC %rsq(s64) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s64) = G_ANYEXT %0:_(s32) + %sqrt:_(s64) = contract G_FSQRT %x + %one:_(s64) = G_FCONSTANT double 1.0 + %rsq:_(s64) = contract G_FDIV %one, %sqrt + %ext:_(s32) = G_TRUNC %rsq:_(s64) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_f64 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_f64 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s64) = G_ANYEXT [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s64) = contract G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s64) = G_FCONSTANT double -1.000000e+00 + ; GCN-NEXT: %rsq:_(s64) = contract G_FDIV %neg_one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_TRUNC %rsq(s64) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s64) = G_ANYEXT %0:_(s32) + %sqrt:_(s64) = contract G_FSQRT %x + %neg_one:_(s64) = G_FCONSTANT double -1.0 + %rsq:_(s64) = contract G_FDIV %neg_one, %sqrt + %ext:_(s32) = G_TRUNC %rsq:_(s64) + $vgpr0 = COPY %ext + +... + +--- +name: afn_rsq_f64 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: afn_rsq_f64 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s64) = G_ANYEXT [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s64) = contract afn G_FSQRT %x + ; GCN-NEXT: %one:_(s64) = G_FCONSTANT double 1.000000e+00 + ; GCN-NEXT: %rsq:_(s64) = contract afn G_FDIV %one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_TRUNC %rsq(s64) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s64) = G_ANYEXT %0:_(s32) + %sqrt:_(s64) = contract afn G_FSQRT %x + %one:_(s64) = G_FCONSTANT double 1.0 + %rsq:_(s64) = contract afn G_FDIV %one, %sqrt + %ext:_(s32) = G_TRUNC %rsq:_(s64) + $vgpr0 = COPY %ext + +... + +--- +name: afn_neg_rsq_f64 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: afn_neg_rsq_f64 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s64) = G_ANYEXT [[COPY]](s32) + ; GCN-NEXT: %sqrt:_(s64) = contract afn G_FSQRT %x + ; GCN-NEXT: %neg_one:_(s64) = G_FCONSTANT double -1.000000e+00 + ; GCN-NEXT: %rsq:_(s64) = contract afn G_FDIV %neg_one, %sqrt + ; GCN-NEXT: %ext:_(s32) = G_TRUNC %rsq(s64) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s64) = G_ANYEXT %0:_(s32) + %sqrt:_(s64) = contract afn G_FSQRT %x + %neg_one:_(s64) = G_FCONSTANT double -1.0 + %rsq:_(s64) = contract afn G_FDIV %neg_one, %sqrt + %ext:_(s32) = G_TRUNC %rsq:_(s64) + $vgpr0 = COPY %ext + +... + + +--- +name: rsq_fract_num_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_fract_num_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %fract:_(s16) = G_FCONSTANT half 0xH3800 + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %rsq:_(s16) = contract G_FMUL [[INT]], %fract + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %fract:_(s16) = G_FCONSTANT half 0.5 + %rsq:_(s16) = contract G_FDIV %fract, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_fract_num_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_fract_num_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %neg_fract:_(s16) = G_FCONSTANT half 0xHB800 + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %rsq:_(s16) = contract G_FMUL [[INT]], %neg_fract + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %neg_fract:_(s16) = G_FCONSTANT half -0.5 + %rsq:_(s16) = contract G_FDIV %neg_fract, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + + +... + +--- +name: rsq_large_num_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: rsq_large_num_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %ten:_(s16) = G_FCONSTANT half 0xH4900 + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %rsq:_(s16) = contract G_FMUL [[INT]], %ten + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %ten:_(s16) = G_FCONSTANT half 10.0 + %rsq:_(s16) = contract G_FDIV %ten, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... + +--- +name: neg_rsq_large_num_f16 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0 + + ; GCN-LABEL: name: neg_rsq_large_num_f16 + ; GCN: liveins: $vgpr0 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 + ; GCN-NEXT: %x:_(s16) = G_TRUNC [[COPY]](s32) + ; GCN-NEXT: %neg_ten:_(s16) = G_FCONSTANT half 0xHC900 + ; GCN-NEXT: [[INT:%[0-9]+]]:_(s16) = contract G_INTRINSIC intrinsic(@llvm.amdgcn.rsq), %x(s16) + ; GCN-NEXT: %rsq:_(s16) = contract G_FMUL [[INT]], %neg_ten + ; GCN-NEXT: %ext:_(s32) = G_ANYEXT %rsq(s16) + ; GCN-NEXT: $vgpr0 = COPY %ext(s32) + %0:_(s32) = COPY $vgpr0 + %x:_(s16) = G_TRUNC %0:_(s32) + %sqrt:_(s16) = contract G_FSQRT %x + %neg_ten:_(s16) = G_FCONSTANT half -10.0 + %rsq:_(s16) = contract G_FDIV %neg_ten, %sqrt + %ext:_(s32) = G_ANYEXT %rsq:_(s16) + $vgpr0 = COPY %ext + +... |