diff --git a/test/CodeGen/X86/recip-fastmath.ll b/test/CodeGen/X86/recip-fastmath.ll index 8425a5c445c..5fd553b301a 100644 --- a/test/CodeGen/X86/recip-fastmath.ll +++ b/test/CodeGen/X86/recip-fastmath.ll @@ -1,11 +1,13 @@ ; 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 --check-prefix=SSE-RECIP -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=FMA-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge| FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -mattr=-fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL-NO-FMA +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX ; If the target's divss/divps instructions are substantially ; slower than rcpss/rcpps with a Newton-Raphson refinement, @@ -54,6 +56,13 @@ define float @f32_one_step(float %x) #1 { ; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: f32_one_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; FMA-RECIP-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: f32_one_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero @@ -81,6 +90,16 @@ define float @f32_one_step(float %x) #1 { ; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: f32_one_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm2, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: f32_one_step: ; AVX512: # BB#0: ; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1 @@ -123,6 +142,17 @@ define float @f32_two_step(float %x) #2 { ; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: f32_two_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; FMA-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 +; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: f32_two_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero @@ -162,6 +192,20 @@ define float @f32_two_step(float %x) #2 { ; HASWELL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: f32_two_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm2 +; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero +; HASWELL-NO-FMA-NEXT: vsubss %xmm2, %xmm3, %xmm2 +; HASWELL-NO-FMA-NEXT: vmulss %xmm2, %xmm1, %xmm2 +; HASWELL-NO-FMA-NEXT: vaddss %xmm2, %xmm1, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm3, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: f32_two_step: ; AVX512: # BB#0: ; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1 @@ -190,6 +234,12 @@ define <4 x float> @v4f32_no_estimate(<4 x float> %x) #0 { ; AVX-RECIP-NEXT: vdivps %xmm0, %xmm1, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v4f32_no_estimate: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] +; FMA-RECIP-NEXT: vdivps %xmm0, %xmm1, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v4f32_no_estimate: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -208,6 +258,12 @@ define <4 x float> @v4f32_no_estimate(<4 x float> %x) #0 { ; HASWELL-NEXT: vdivps %xmm0, %xmm1, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v4f32_no_estimate: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm1 +; HASWELL-NO-FMA-NEXT: vdivps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: v4f32_no_estimate: ; AVX512: # BB#0: ; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %xmm1 @@ -239,6 +295,13 @@ define <4 x float> @v4f32_one_step(<4 x float> %x) #1 { ; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v4f32_one_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 +; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %xmm1, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v4f32_one_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -267,6 +330,16 @@ define <4 x float> @v4f32_one_step(<4 x float> %x) #1 { ; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v4f32_one_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 +; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v4f32_one_step: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %xmm0, %xmm1 @@ -317,6 +390,17 @@ define <4 x float> @v4f32_two_step(<4 x float> %x) #2 { ; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v4f32_two_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 +; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] +; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 +; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v4f32_two_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -356,6 +440,20 @@ define <4 x float> @v4f32_two_step(<4 x float> %x) #2 { ; HASWELL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v4f32_two_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm2 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm3 +; HASWELL-NO-FMA-NEXT: vsubps %xmm2, %xmm3, %xmm2 +; HASWELL-NO-FMA-NEXT: vmulps %xmm2, %xmm1, %xmm2 +; HASWELL-NO-FMA-NEXT: vaddps %xmm2, %xmm1, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm3, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v4f32_two_step: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %xmm0, %xmm1 @@ -398,6 +496,12 @@ define <8 x float> @v8f32_no_estimate(<8 x float> %x) #0 { ; AVX-RECIP-NEXT: vdivps %ymm0, %ymm1, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_no_estimate: +; FMA-RECIP: # BB#0: +; FMA-RECIP-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] +; FMA-RECIP-NEXT: vdivps %ymm0, %ymm1, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_no_estimate: ; BTVER2: # BB#0: ; BTVER2-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] @@ -416,6 +520,12 @@ define <8 x float> @v8f32_no_estimate(<8 x float> %x) #0 { ; HASWELL-NEXT: vdivps %ymm0, %ymm1, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_no_estimate: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm1 +; HASWELL-NO-FMA-NEXT: vdivps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: v8f32_no_estimate: ; AVX512: # BB#0: ; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %ymm1 @@ -454,6 +564,13 @@ define <8 x float> @v8f32_one_step(<8 x float> %x) #1 { ; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_one_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 +; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %ymm1, %ymm0 +; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_one_step: ; BTVER2: # BB#0: ; BTVER2-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] @@ -482,6 +599,16 @@ define <8 x float> @v8f32_one_step(<8 x float> %x) #1 { ; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_one_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 +; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm2, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_one_step: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm1 @@ -545,6 +672,17 @@ define <8 x float> @v8f32_two_step(<8 x float> %x) #2 { ; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_two_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 +; FMA-RECIP-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] +; FMA-RECIP-NEXT: vmovaps %ymm1, %ymm3 +; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 +; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 +; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 +; FMA-RECIP-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_two_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -584,6 +722,20 @@ define <8 x float> @v8f32_two_step(<8 x float> %x) #2 { ; HASWELL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_two_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm2 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm3 +; HASWELL-NO-FMA-NEXT: vsubps %ymm2, %ymm3, %ymm2 +; HASWELL-NO-FMA-NEXT: vmulps %ymm2, %ymm1, %ymm2 +; HASWELL-NO-FMA-NEXT: vaddps %ymm2, %ymm1, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm3, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_two_step: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm1 diff --git a/test/CodeGen/X86/recip-fastmath2.ll b/test/CodeGen/X86/recip-fastmath2.ll index 5eb731b1c9b..fb841848408 100644 --- a/test/CodeGen/X86/recip-fastmath2.ll +++ b/test/CodeGen/X86/recip-fastmath2.ll @@ -1,11 +1,13 @@ ; 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 --check-prefix=SSE-RECIP -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=FMA-RECIP +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge| FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL -; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -mattr=-fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL-NO-FMA +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX ; It's the extra tests coverage for recip as discussed on D26855. @@ -22,6 +24,12 @@ define float @f32_no_step_2(float %x) #3 { ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: f32_no_step_2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm0 +; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: f32_no_step_2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm0 @@ -40,6 +48,12 @@ define float @f32_no_step_2(float %x) #3 { ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: f32_no_step_2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: f32_no_step_2: ; AVX512: # BB#0: ; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm0 @@ -73,6 +87,14 @@ define float @f32_one_step_2(float %x) #1 { ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: f32_one_step_2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; FMA-RECIP-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 +; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: f32_one_step_2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero @@ -103,6 +125,17 @@ define float @f32_one_step_2(float %x) #1 { ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: f32_one_step_2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm2, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: f32_one_step_2: ; AVX512: # BB#0: ; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1 @@ -148,6 +181,18 @@ define float @f32_two_step_2(float %x) #2 { ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: f32_two_step_2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; FMA-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero +; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 +; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: f32_two_step_2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero @@ -190,6 +235,21 @@ define float @f32_two_step_2(float %x) #2 { ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: f32_two_step_2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm2 +; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero +; HASWELL-NO-FMA-NEXT: vsubss %xmm2, %xmm3, %xmm2 +; HASWELL-NO-FMA-NEXT: vmulss %xmm2, %xmm1, %xmm2 +; HASWELL-NO-FMA-NEXT: vaddss %xmm2, %xmm1, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm3, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; AVX512-LABEL: f32_two_step_2: ; AVX512: # BB#0: ; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1 @@ -229,6 +289,14 @@ define <4 x float> @v4f32_one_step2(<4 x float> %x) #1 { ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v4f32_one_step2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 +; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %xmm1, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 +; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v4f32_one_step2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -260,6 +328,17 @@ define <4 x float> @v4f32_one_step2(<4 x float> %x) #1 { ; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v4f32_one_step2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm2 +; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v4f32_one_step2: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %xmm0, %xmm1 @@ -314,6 +393,18 @@ define <4 x float> @v4f32_two_step2(<4 x float> %x) #2 { ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v4f32_two_step2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 +; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] +; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 +; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 +; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 +; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v4f32_two_step2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -356,6 +447,21 @@ define <4 x float> @v4f32_two_step2(<4 x float> %x) #2 { ; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v4f32_two_step2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm2 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %xmm3 +; HASWELL-NO-FMA-NEXT: vsubps %xmm2, %xmm3, %xmm2 +; HASWELL-NO-FMA-NEXT: vmulps %xmm2, %xmm1, %xmm2 +; HASWELL-NO-FMA-NEXT: vaddps %xmm2, %xmm1, %xmm1 +; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm3, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v4f32_two_step2: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %xmm0, %xmm1 @@ -415,6 +521,14 @@ define <8 x float> @v8f32_one_step2(<8 x float> %x) #1 { ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_one_step2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 +; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %ymm1, %ymm0 +; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 +; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_one_step2: ; BTVER2: # BB#0: ; BTVER2-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] @@ -446,6 +560,17 @@ define <8 x float> @v8f32_one_step2(<8 x float> %x) #1 { ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_one_step2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm2 +; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm2, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_one_step2: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm1 @@ -514,6 +639,18 @@ define <8 x float> @v8f32_two_step2(<8 x float> %x) #2 { ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_two_step2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 +; FMA-RECIP-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] +; FMA-RECIP-NEXT: vmovaps %ymm1, %ymm3 +; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 +; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 +; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 +; FMA-RECIP-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 +; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_two_step2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] @@ -556,6 +693,21 @@ define <8 x float> @v8f32_two_step2(<8 x float> %x) #2 { ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_two_step2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm2 +; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*}}(%rip), %ymm3 +; HASWELL-NO-FMA-NEXT: vsubps %ymm2, %ymm3, %ymm2 +; HASWELL-NO-FMA-NEXT: vmulps %ymm2, %ymm1, %ymm2 +; HASWELL-NO-FMA-NEXT: vaddps %ymm2, %ymm1, %ymm1 +; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm3, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_two_step2: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm1 @@ -595,6 +747,11 @@ define <8 x float> @v8f32_no_step(<8 x float> %x) #3 { ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_no_step: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_no_step: ; BTVER2: # BB#0: ; BTVER2-NEXT: vrcpps %ymm0, %ymm0 @@ -610,6 +767,11 @@ define <8 x float> @v8f32_no_step(<8 x float> %x) #3 { ; HASWELL-NEXT: vrcpps %ymm0, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_no_step: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_no_step: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm0 @@ -638,6 +800,12 @@ define <8 x float> @v8f32_no_step2(<8 x float> %x) #3 { ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; AVX-RECIP-NEXT: retq ; +; FMA-RECIP-LABEL: v8f32_no_step2: +; FMA-RECIP: # BB#0: +; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm0 +; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; FMA-RECIP-NEXT: retq +; ; BTVER2-LABEL: v8f32_no_step2: ; BTVER2: # BB#0: ; BTVER2-NEXT: vrcpps %ymm0, %ymm0 @@ -656,6 +824,12 @@ define <8 x float> @v8f32_no_step2(<8 x float> %x) #3 { ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 ; HASWELL-NEXT: retq ; +; HASWELL-NO-FMA-LABEL: v8f32_no_step2: +; HASWELL-NO-FMA: # BB#0: +; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 +; HASWELL-NO-FMA-NEXT: retq +; ; KNL-LABEL: v8f32_no_step2: ; KNL: # BB#0: ; KNL-NEXT: vrcpps %ymm0, %ymm0