| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX1 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 |
| |
| declare double @__sqrt_finite(double) |
| declare float @__sqrtf_finite(float) |
| declare x86_fp80 @__sqrtl_finite(x86_fp80) |
| declare float @llvm.sqrt.f32(float) |
| declare <4 x float> @llvm.sqrt.v4f32(<4 x float>) |
| declare <8 x float> @llvm.sqrt.v8f32(<8 x float>) |
| declare <16 x float> @llvm.sqrt.v16f32(<16 x float>) |
| |
| |
| define double @finite_f64_no_estimate(double %d) #0 { |
| ; SSE-LABEL: finite_f64_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtsd %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: finite_f64_no_estimate: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %call = tail call double @__sqrt_finite(double %d) #2 |
| ret double %call |
| } |
| |
| ; No estimates for doubles. |
| |
| define double @finite_f64_estimate(double %d) #1 { |
| ; SSE-LABEL: finite_f64_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtsd %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: finite_f64_estimate: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %call = tail call double @__sqrt_finite(double %d) #2 |
| ret double %call |
| } |
| |
| define float @finite_f32_no_estimate(float %f) #0 { |
| ; SSE-LABEL: finite_f32_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtss %xmm0, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: finite_f32_no_estimate: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vsqrtss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: retq |
| %call = tail call float @__sqrtf_finite(float %f) #2 |
| ret float %call |
| } |
| |
| define float @finite_f32_estimate(float %f) #1 { |
| ; SSE-LABEL: finite_f32_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtss %xmm0, %xmm1 |
| ; SSE-NEXT: movaps %xmm0, %xmm2 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero |
| ; SSE-NEXT: mulss %xmm2, %xmm3 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: addss {{.*}}(%rip), %xmm2 |
| ; SSE-NEXT: mulss %xmm3, %xmm2 |
| ; SSE-NEXT: xorps %xmm1, %xmm1 |
| ; SSE-NEXT: cmpeqss %xmm1, %xmm0 |
| ; SSE-NEXT: andnps %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: finite_f32_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm0, %xmm2 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX1-NEXT: vaddss {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX1-NEXT: vmulss {{.*}}(%rip), %xmm2, %xmm2 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX1-NEXT: vxorps %xmm2, %xmm2, %xmm2 |
| ; AVX1-NEXT: vcmpeqss %xmm2, %xmm0, %xmm0 |
| ; AVX1-NEXT: vandnps %xmm1, %xmm0, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: finite_f32_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX512-NEXT: vmulss %xmm1, %xmm0, %xmm2 |
| ; AVX512-NEXT: vfmadd213ss {{.*#+}} xmm1 = (xmm2 * xmm1) + mem |
| ; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm2, %xmm2 |
| ; AVX512-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX512-NEXT: vxorps %xmm2, %xmm2, %xmm2 |
| ; AVX512-NEXT: vcmpeqss %xmm2, %xmm0, %k1 |
| ; AVX512-NEXT: vmovss %xmm2, %xmm0, %xmm1 {%k1} |
| ; AVX512-NEXT: vmovaps %xmm1, %xmm0 |
| ; AVX512-NEXT: retq |
| %call = tail call float @__sqrtf_finite(float %f) #2 |
| ret float %call |
| } |
| |
| define x86_fp80 @finite_f80_no_estimate(x86_fp80 %ld) #0 { |
| ; CHECK-LABEL: finite_f80_no_estimate: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fsqrt |
| ; CHECK-NEXT: retq |
| %call = tail call x86_fp80 @__sqrtl_finite(x86_fp80 %ld) #2 |
| ret x86_fp80 %call |
| } |
| |
| ; Don't die on the impossible. |
| |
| define x86_fp80 @finite_f80_estimate_but_no(x86_fp80 %ld) #1 { |
| ; CHECK-LABEL: finite_f80_estimate_but_no: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fsqrt |
| ; CHECK-NEXT: retq |
| %call = tail call x86_fp80 @__sqrtl_finite(x86_fp80 %ld) #2 |
| ret x86_fp80 %call |
| } |
| |
| ; PR34994 - https://bugs.llvm.org/show_bug.cgi?id=34994 |
| |
| define float @sqrtf_check_denorms(float %x) #3 { |
| ; SSE-LABEL: sqrtf_check_denorms: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtss %xmm0, %xmm1 |
| ; SSE-NEXT: movaps %xmm0, %xmm2 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero |
| ; SSE-NEXT: mulss %xmm2, %xmm3 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: addss {{.*}}(%rip), %xmm2 |
| ; SSE-NEXT: mulss %xmm3, %xmm2 |
| ; SSE-NEXT: andps {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: cmpltss {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: andnps %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: sqrtf_check_denorms: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm0, %xmm2 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX1-NEXT: vaddss {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX1-NEXT: vmulss {{.*}}(%rip), %xmm2, %xmm2 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX1-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX1-NEXT: vcmpltss {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX1-NEXT: vandnps %xmm1, %xmm0, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: sqrtf_check_denorms: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX512-NEXT: vmulss %xmm1, %xmm0, %xmm2 |
| ; AVX512-NEXT: vfmadd213ss {{.*#+}} xmm1 = (xmm2 * xmm1) + mem |
| ; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm2, %xmm2 |
| ; AVX512-NEXT: vmulss %xmm1, %xmm2, %xmm1 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [NaN,NaN,NaN,NaN] |
| ; AVX512-NEXT: vandps %xmm2, %xmm0, %xmm0 |
| ; AVX512-NEXT: vcmpltss {{.*}}(%rip), %xmm0, %k1 |
| ; AVX512-NEXT: vxorps %xmm0, %xmm0, %xmm0 |
| ; AVX512-NEXT: vmovss %xmm0, %xmm0, %xmm1 {%k1} |
| ; AVX512-NEXT: vmovaps %xmm1, %xmm0 |
| ; AVX512-NEXT: retq |
| %call = tail call float @__sqrtf_finite(float %x) #2 |
| ret float %call |
| } |
| |
| define <4 x float> @sqrt_v4f32_check_denorms(<4 x float> %x) #3 { |
| ; SSE-LABEL: sqrt_v4f32_check_denorms: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtps %xmm0, %xmm2 |
| ; SSE-NEXT: movaps %xmm0, %xmm1 |
| ; SSE-NEXT: mulps %xmm2, %xmm1 |
| ; SSE-NEXT: movaps {{.*#+}} xmm3 = [-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01] |
| ; SSE-NEXT: mulps %xmm1, %xmm3 |
| ; SSE-NEXT: mulps %xmm2, %xmm1 |
| ; SSE-NEXT: addps {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: mulps %xmm3, %xmm1 |
| ; SSE-NEXT: andps {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: movaps {{.*#+}} xmm2 = [1.175494e-38,1.175494e-38,1.175494e-38,1.175494e-38] |
| ; SSE-NEXT: cmpleps %xmm0, %xmm2 |
| ; SSE-NEXT: andps %xmm2, %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: sqrt_v4f32_check_denorms: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtps %xmm0, %xmm1 |
| ; AVX1-NEXT: vmulps %xmm1, %xmm0, %xmm2 |
| ; AVX1-NEXT: vmulps {{.*}}(%rip), %xmm2, %xmm3 |
| ; AVX1-NEXT: vmulps %xmm1, %xmm2, %xmm1 |
| ; AVX1-NEXT: vaddps {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX1-NEXT: vmulps %xmm1, %xmm3, %xmm1 |
| ; AVX1-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX1-NEXT: vmovaps {{.*#+}} xmm2 = [1.175494e-38,1.175494e-38,1.175494e-38,1.175494e-38] |
| ; AVX1-NEXT: vcmpleps %xmm0, %xmm2, %xmm0 |
| ; AVX1-NEXT: vandps %xmm1, %xmm0, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: sqrt_v4f32_check_denorms: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtps %xmm0, %xmm1 |
| ; AVX512-NEXT: vmulps %xmm1, %xmm0, %xmm2 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3,-3,-3,-3] |
| ; AVX512-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0.5,-0.5,-0.5,-0.5] |
| ; AVX512-NEXT: vmulps %xmm3, %xmm1, %xmm1 |
| ; AVX512-NEXT: vmulps %xmm1, %xmm2, %xmm1 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [NaN,NaN,NaN,NaN] |
| ; AVX512-NEXT: vandps %xmm2, %xmm0, %xmm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38] |
| ; AVX512-NEXT: vcmpleps %xmm0, %xmm2, %xmm0 |
| ; AVX512-NEXT: vandps %xmm1, %xmm0, %xmm0 |
| ; AVX512-NEXT: retq |
| %call = tail call <4 x float> @llvm.sqrt.v4f32(<4 x float> %x) #2 |
| ret <4 x float> %call |
| } |
| |
| define float @f32_no_estimate(float %x) #0 { |
| ; SSE-LABEL: f32_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtss %xmm0, %xmm1 |
| ; SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; SSE-NEXT: divss %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-LABEL: f32_no_estimate: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vsqrtss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; AVX-NEXT: vdivss %xmm0, %xmm1, %xmm0 |
| ; AVX-NEXT: retq |
| %sqrt = tail call float @llvm.sqrt.f32(float %x) |
| %div = fdiv fast float 1.0, %sqrt |
| ret float %div |
| } |
| |
| define float @f32_estimate(float %x) #1 { |
| ; SSE-LABEL: f32_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtss %xmm0, %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm2 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: mulss %xmm0, %xmm2 |
| ; SSE-NEXT: addss {{.*}}(%rip), %xmm2 |
| ; SSE-NEXT: mulss {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: mulss %xmm2, %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: f32_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX1-NEXT: vmulss %xmm1, %xmm1, %xmm2 |
| ; AVX1-NEXT: vmulss %xmm2, %xmm0, %xmm0 |
| ; AVX1-NEXT: vaddss {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX1-NEXT: vmulss {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX1-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: f32_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1 |
| ; AVX512-NEXT: vmulss %xmm1, %xmm0, %xmm0 |
| ; AVX512-NEXT: vfmadd213ss {{.*#+}} xmm0 = (xmm1 * xmm0) + mem |
| ; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX512-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call float @llvm.sqrt.f32(float %x) |
| %div = fdiv fast float 1.0, %sqrt |
| ret float %div |
| } |
| |
| define <4 x float> @v4f32_no_estimate(<4 x float> %x) #0 { |
| ; SSE-LABEL: v4f32_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtps %xmm0, %xmm1 |
| ; SSE-NEXT: movaps {{.*#+}} xmm0 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: divps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v4f32_no_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vsqrtps %xmm0, %xmm0 |
| ; AVX1-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX1-NEXT: vdivps %xmm0, %xmm1, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v4f32_no_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vsqrtps %xmm0, %xmm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm1 = [1,1,1,1] |
| ; AVX512-NEXT: vdivps %xmm0, %xmm1, %xmm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <4 x float> @llvm.sqrt.v4f32(<4 x float> %x) |
| %div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <4 x float> %div |
| } |
| |
| define <4 x float> @v4f32_estimate(<4 x float> %x) #1 { |
| ; SSE-LABEL: v4f32_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtps %xmm0, %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm2 |
| ; SSE-NEXT: mulps %xmm1, %xmm2 |
| ; SSE-NEXT: mulps %xmm0, %xmm2 |
| ; SSE-NEXT: addps {{.*}}(%rip), %xmm2 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: mulps %xmm2, %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v4f32_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtps %xmm0, %xmm1 |
| ; AVX1-NEXT: vmulps %xmm1, %xmm1, %xmm2 |
| ; AVX1-NEXT: vmulps %xmm2, %xmm0, %xmm0 |
| ; AVX1-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX1-NEXT: vmulps {{.*}}(%rip), %xmm1, %xmm1 |
| ; AVX1-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v4f32_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtps %xmm0, %xmm1 |
| ; AVX512-NEXT: vmulps %xmm1, %xmm0, %xmm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [-3,-3,-3,-3] |
| ; AVX512-NEXT: vfmadd213ps {{.*#+}} xmm0 = (xmm1 * xmm0) + xmm2 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} xmm2 = [-0.5,-0.5,-0.5,-0.5] |
| ; AVX512-NEXT: vmulps %xmm0, %xmm2, %xmm0 |
| ; AVX512-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <4 x float> @llvm.sqrt.v4f32(<4 x float> %x) |
| %div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <4 x float> %div |
| } |
| |
| define <8 x float> @v8f32_no_estimate(<8 x float> %x) #0 { |
| ; SSE-LABEL: v8f32_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtps %xmm1, %xmm2 |
| ; SSE-NEXT: sqrtps %xmm0, %xmm3 |
| ; SSE-NEXT: movaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: divps %xmm3, %xmm0 |
| ; SSE-NEXT: divps %xmm2, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v8f32_no_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vsqrtps %ymm0, %ymm0 |
| ; AVX1-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX1-NEXT: vdivps %ymm0, %ymm1, %ymm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v8f32_no_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vsqrtps %ymm0, %ymm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} ymm1 = [1,1,1,1,1,1,1,1] |
| ; AVX512-NEXT: vdivps %ymm0, %ymm1, %ymm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <8 x float> @llvm.sqrt.v8f32(<8 x float> %x) |
| %div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <8 x float> %div |
| } |
| |
| define <8 x float> @v8f32_estimate(<8 x float> %x) #1 { |
| ; SSE-LABEL: v8f32_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: rsqrtps %xmm0, %xmm3 |
| ; SSE-NEXT: movaps {{.*#+}} xmm4 = [-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01] |
| ; SSE-NEXT: movaps %xmm3, %xmm2 |
| ; SSE-NEXT: mulps %xmm3, %xmm2 |
| ; SSE-NEXT: mulps %xmm0, %xmm2 |
| ; SSE-NEXT: movaps {{.*#+}} xmm0 = [-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00] |
| ; SSE-NEXT: addps %xmm0, %xmm2 |
| ; SSE-NEXT: mulps %xmm4, %xmm2 |
| ; SSE-NEXT: mulps %xmm3, %xmm2 |
| ; SSE-NEXT: rsqrtps %xmm1, %xmm5 |
| ; SSE-NEXT: movaps %xmm5, %xmm3 |
| ; SSE-NEXT: mulps %xmm5, %xmm3 |
| ; SSE-NEXT: mulps %xmm1, %xmm3 |
| ; SSE-NEXT: addps %xmm0, %xmm3 |
| ; SSE-NEXT: mulps %xmm4, %xmm3 |
| ; SSE-NEXT: mulps %xmm5, %xmm3 |
| ; SSE-NEXT: movaps %xmm2, %xmm0 |
| ; SSE-NEXT: movaps %xmm3, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v8f32_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtps %ymm0, %ymm1 |
| ; AVX1-NEXT: vmulps %ymm1, %ymm1, %ymm2 |
| ; AVX1-NEXT: vmulps %ymm2, %ymm0, %ymm0 |
| ; AVX1-NEXT: vaddps {{.*}}(%rip), %ymm0, %ymm0 |
| ; AVX1-NEXT: vmulps {{.*}}(%rip), %ymm1, %ymm1 |
| ; AVX1-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v8f32_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrtps %ymm0, %ymm1 |
| ; AVX512-NEXT: vmulps %ymm1, %ymm0, %ymm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} ymm2 = [-3,-3,-3,-3,-3,-3,-3,-3] |
| ; AVX512-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} ymm2 = [-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5,-0.5] |
| ; AVX512-NEXT: vmulps %ymm0, %ymm2, %ymm0 |
| ; AVX512-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <8 x float> @llvm.sqrt.v8f32(<8 x float> %x) |
| %div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <8 x float> %div |
| } |
| |
| define <16 x float> @v16f32_no_estimate(<16 x float> %x) #0 { |
| ; SSE-LABEL: v16f32_no_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: sqrtps %xmm3, %xmm4 |
| ; SSE-NEXT: sqrtps %xmm2, %xmm5 |
| ; SSE-NEXT: sqrtps %xmm1, %xmm2 |
| ; SSE-NEXT: sqrtps %xmm0, %xmm1 |
| ; SSE-NEXT: movaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm3, %xmm0 |
| ; SSE-NEXT: divps %xmm1, %xmm0 |
| ; SSE-NEXT: movaps %xmm3, %xmm1 |
| ; SSE-NEXT: divps %xmm2, %xmm1 |
| ; SSE-NEXT: movaps %xmm3, %xmm2 |
| ; SSE-NEXT: divps %xmm5, %xmm2 |
| ; SSE-NEXT: divps %xmm4, %xmm3 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v16f32_no_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vsqrtps %ymm1, %ymm1 |
| ; AVX1-NEXT: vsqrtps %ymm0, %ymm0 |
| ; AVX1-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX1-NEXT: vdivps %ymm0, %ymm2, %ymm0 |
| ; AVX1-NEXT: vdivps %ymm1, %ymm2, %ymm1 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v16f32_no_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vsqrtps %zmm0, %zmm0 |
| ; AVX512-NEXT: vbroadcastss {{.*#+}} zmm1 = [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1] |
| ; AVX512-NEXT: vdivps %zmm0, %zmm1, %zmm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <16 x float> @llvm.sqrt.v16f32(<16 x float> %x) |
| %div = fdiv fast <16 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <16 x float> %div |
| } |
| |
| define <16 x float> @v16f32_estimate(<16 x float> %x) #1 { |
| ; SSE-LABEL: v16f32_estimate: |
| ; SSE: # %bb.0: |
| ; SSE-NEXT: movaps %xmm1, %xmm4 |
| ; SSE-NEXT: movaps %xmm0, %xmm1 |
| ; SSE-NEXT: rsqrtps %xmm0, %xmm5 |
| ; SSE-NEXT: movaps {{.*#+}} xmm6 = [-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01] |
| ; SSE-NEXT: movaps %xmm5, %xmm0 |
| ; SSE-NEXT: mulps %xmm5, %xmm0 |
| ; SSE-NEXT: mulps %xmm1, %xmm0 |
| ; SSE-NEXT: movaps {{.*#+}} xmm7 = [-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00] |
| ; SSE-NEXT: addps %xmm7, %xmm0 |
| ; SSE-NEXT: mulps %xmm6, %xmm0 |
| ; SSE-NEXT: mulps %xmm5, %xmm0 |
| ; SSE-NEXT: rsqrtps %xmm4, %xmm5 |
| ; SSE-NEXT: movaps %xmm5, %xmm1 |
| ; SSE-NEXT: mulps %xmm5, %xmm1 |
| ; SSE-NEXT: mulps %xmm4, %xmm1 |
| ; SSE-NEXT: addps %xmm7, %xmm1 |
| ; SSE-NEXT: mulps %xmm6, %xmm1 |
| ; SSE-NEXT: mulps %xmm5, %xmm1 |
| ; SSE-NEXT: rsqrtps %xmm2, %xmm5 |
| ; SSE-NEXT: movaps %xmm5, %xmm4 |
| ; SSE-NEXT: mulps %xmm5, %xmm4 |
| ; SSE-NEXT: mulps %xmm2, %xmm4 |
| ; SSE-NEXT: addps %xmm7, %xmm4 |
| ; SSE-NEXT: mulps %xmm6, %xmm4 |
| ; SSE-NEXT: mulps %xmm5, %xmm4 |
| ; SSE-NEXT: rsqrtps %xmm3, %xmm2 |
| ; SSE-NEXT: movaps %xmm2, %xmm5 |
| ; SSE-NEXT: mulps %xmm2, %xmm5 |
| ; SSE-NEXT: mulps %xmm3, %xmm5 |
| ; SSE-NEXT: addps %xmm7, %xmm5 |
| ; SSE-NEXT: mulps %xmm6, %xmm5 |
| ; SSE-NEXT: mulps %xmm2, %xmm5 |
| ; SSE-NEXT: movaps %xmm4, %xmm2 |
| ; SSE-NEXT: movaps %xmm5, %xmm3 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX1-LABEL: v16f32_estimate: |
| ; AVX1: # %bb.0: |
| ; AVX1-NEXT: vrsqrtps %ymm0, %ymm2 |
| ; AVX1-NEXT: vmovaps {{.*#+}} ymm3 = [-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01,-5.000000e-01] |
| ; AVX1-NEXT: vmulps %ymm2, %ymm2, %ymm4 |
| ; AVX1-NEXT: vmulps %ymm4, %ymm0, %ymm0 |
| ; AVX1-NEXT: vmovaps {{.*#+}} ymm4 = [-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00,-3.000000e+00] |
| ; AVX1-NEXT: vaddps %ymm4, %ymm0, %ymm0 |
| ; AVX1-NEXT: vmulps %ymm0, %ymm3, %ymm0 |
| ; AVX1-NEXT: vmulps %ymm0, %ymm2, %ymm0 |
| ; AVX1-NEXT: vrsqrtps %ymm1, %ymm2 |
| ; AVX1-NEXT: vmulps %ymm2, %ymm2, %ymm5 |
| ; AVX1-NEXT: vmulps %ymm5, %ymm1, %ymm1 |
| ; AVX1-NEXT: vaddps %ymm4, %ymm1, %ymm1 |
| ; AVX1-NEXT: vmulps %ymm1, %ymm3, %ymm1 |
| ; AVX1-NEXT: vmulps %ymm1, %ymm2, %ymm1 |
| ; AVX1-NEXT: retq |
| ; |
| ; AVX512-LABEL: v16f32_estimate: |
| ; AVX512: # %bb.0: |
| ; AVX512-NEXT: vrsqrt14ps %zmm0, %zmm1 |
| ; AVX512-NEXT: vmulps %zmm1, %zmm0, %zmm0 |
| ; AVX512-NEXT: vfmadd213ps {{.*#+}} zmm0 = (zmm1 * zmm0) + mem |
| ; AVX512-NEXT: vmulps {{.*}}(%rip){1to16}, %zmm1, %zmm1 |
| ; AVX512-NEXT: vmulps %zmm0, %zmm1, %zmm0 |
| ; AVX512-NEXT: retq |
| %sqrt = tail call <16 x float> @llvm.sqrt.v16f32(<16 x float> %x) |
| %div = fdiv fast <16 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %sqrt |
| ret <16 x float> %div |
| } |
| |
| |
| attributes #0 = { "unsafe-fp-math"="true" "reciprocal-estimates"="!sqrtf,!vec-sqrtf,!divf,!vec-divf" } |
| attributes #1 = { "unsafe-fp-math"="true" "reciprocal-estimates"="sqrt,vec-sqrt" } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { "unsafe-fp-math"="true" "reciprocal-estimates"="sqrt,vec-sqrt" "denormal-fp-math"="ieee" } |
| |
