303 lines
11 KiB
LLVM
303 lines
11 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=x86_64-- -mcpu=nehalem | FileCheck %s --check-prefixes=NHM
|
|
; RUN: llc < %s -mtriple=x86_64-- -mcpu=sandybridge | FileCheck %s --check-prefixes=FAST-SCALAR,SNB
|
|
; RUN: llc < %s -mtriple=x86_64-- -mcpu=broadwell | FileCheck %s --check-prefixes=FAST-SCALAR,BDW
|
|
; RUN: llc < %s -mtriple=x86_64-- -mcpu=skylake | FileCheck %s --check-prefixes=FAST-SCALAR,SKL
|
|
|
|
define float @f32_no_daz(float %f) #0 {
|
|
; NHM-LABEL: f32_no_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: rsqrtss %xmm0, %xmm1
|
|
; NHM-NEXT: movaps %xmm0, %xmm2
|
|
; NHM-NEXT: mulss %xmm1, %xmm2
|
|
; NHM-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
|
|
; NHM-NEXT: mulss %xmm2, %xmm3
|
|
; NHM-NEXT: mulss %xmm1, %xmm2
|
|
; NHM-NEXT: addss {{.*}}(%rip), %xmm2
|
|
; NHM-NEXT: andps {{.*}}(%rip), %xmm0
|
|
; NHM-NEXT: mulss %xmm3, %xmm2
|
|
; NHM-NEXT: cmpltss {{.*}}(%rip), %xmm0
|
|
; NHM-NEXT: andnps %xmm2, %xmm0
|
|
; NHM-NEXT: retq
|
|
;
|
|
; FAST-SCALAR-LABEL: f32_no_daz:
|
|
; FAST-SCALAR: # %bb.0:
|
|
; FAST-SCALAR-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
|
|
; FAST-SCALAR-NEXT: retq
|
|
%call = tail call fast float @llvm.sqrt.f32(float %f) #2
|
|
ret float %call
|
|
}
|
|
|
|
define <4 x float> @v4f32_no_daz(<4 x float> %f) #0 {
|
|
; NHM-LABEL: v4f32_no_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: rsqrtps %xmm0, %xmm2
|
|
; NHM-NEXT: movaps %xmm0, %xmm1
|
|
; NHM-NEXT: mulps %xmm2, %xmm1
|
|
; NHM-NEXT: movaps {{.*#+}} xmm3 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; NHM-NEXT: mulps %xmm1, %xmm3
|
|
; NHM-NEXT: mulps %xmm2, %xmm1
|
|
; NHM-NEXT: addps {{.*}}(%rip), %xmm1
|
|
; NHM-NEXT: andps {{.*}}(%rip), %xmm0
|
|
; NHM-NEXT: mulps %xmm3, %xmm1
|
|
; NHM-NEXT: movaps {{.*#+}} xmm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; NHM-NEXT: cmpleps %xmm0, %xmm2
|
|
; NHM-NEXT: andps %xmm2, %xmm1
|
|
; NHM-NEXT: movaps %xmm1, %xmm0
|
|
; NHM-NEXT: retq
|
|
;
|
|
; SNB-LABEL: v4f32_no_daz:
|
|
; SNB: # %bb.0:
|
|
; SNB-NEXT: vrsqrtps %xmm0, %xmm1
|
|
; SNB-NEXT: vmulps %xmm1, %xmm0, %xmm2
|
|
; SNB-NEXT: vmulps {{.*}}(%rip), %xmm2, %xmm3
|
|
; SNB-NEXT: vmulps %xmm1, %xmm2, %xmm1
|
|
; SNB-NEXT: vaddps {{.*}}(%rip), %xmm1, %xmm1
|
|
; SNB-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0
|
|
; SNB-NEXT: vmulps %xmm1, %xmm3, %xmm1
|
|
; SNB-NEXT: vmovaps {{.*#+}} xmm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; SNB-NEXT: vcmpleps %xmm0, %xmm2, %xmm0
|
|
; SNB-NEXT: vandps %xmm1, %xmm0, %xmm0
|
|
; SNB-NEXT: retq
|
|
;
|
|
; BDW-LABEL: v4f32_no_daz:
|
|
; BDW: # %bb.0:
|
|
; BDW-NEXT: vrsqrtps %xmm0, %xmm1
|
|
; BDW-NEXT: vmulps %xmm1, %xmm0, %xmm2
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; BDW-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; BDW-NEXT: vmulps %xmm1, %xmm2, %xmm1
|
|
; BDW-NEXT: vmulps %xmm3, %xmm1, %xmm1
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm2 = [NaN,NaN,NaN,NaN]
|
|
; BDW-NEXT: vandps %xmm2, %xmm0, %xmm0
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; BDW-NEXT: vcmpleps %xmm0, %xmm2, %xmm0
|
|
; BDW-NEXT: vandps %xmm1, %xmm0, %xmm0
|
|
; BDW-NEXT: retq
|
|
;
|
|
; SKL-LABEL: v4f32_no_daz:
|
|
; SKL: # %bb.0:
|
|
; SKL-NEXT: vsqrtps %xmm0, %xmm0
|
|
; SKL-NEXT: retq
|
|
%call = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %f) #2
|
|
ret <4 x float> %call
|
|
}
|
|
|
|
define <8 x float> @v8f32_no_daz(<8 x float> %f) #0 {
|
|
; NHM-LABEL: v8f32_no_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: movaps %xmm0, %xmm2
|
|
; NHM-NEXT: rsqrtps %xmm0, %xmm3
|
|
; NHM-NEXT: mulps %xmm3, %xmm0
|
|
; NHM-NEXT: movaps {{.*#+}} xmm4 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; NHM-NEXT: movaps %xmm0, %xmm5
|
|
; NHM-NEXT: mulps %xmm4, %xmm5
|
|
; NHM-NEXT: mulps %xmm3, %xmm0
|
|
; NHM-NEXT: movaps {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; NHM-NEXT: addps %xmm3, %xmm0
|
|
; NHM-NEXT: mulps %xmm5, %xmm0
|
|
; NHM-NEXT: movaps {{.*#+}} xmm5 = [NaN,NaN,NaN,NaN]
|
|
; NHM-NEXT: andps %xmm5, %xmm2
|
|
; NHM-NEXT: movaps {{.*#+}} xmm6 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; NHM-NEXT: movaps %xmm6, %xmm7
|
|
; NHM-NEXT: cmpleps %xmm2, %xmm7
|
|
; NHM-NEXT: andps %xmm7, %xmm0
|
|
; NHM-NEXT: rsqrtps %xmm1, %xmm7
|
|
; NHM-NEXT: movaps %xmm1, %xmm2
|
|
; NHM-NEXT: mulps %xmm7, %xmm2
|
|
; NHM-NEXT: mulps %xmm2, %xmm4
|
|
; NHM-NEXT: mulps %xmm7, %xmm2
|
|
; NHM-NEXT: addps %xmm3, %xmm2
|
|
; NHM-NEXT: mulps %xmm4, %xmm2
|
|
; NHM-NEXT: andps %xmm5, %xmm1
|
|
; NHM-NEXT: cmpleps %xmm1, %xmm6
|
|
; NHM-NEXT: andps %xmm6, %xmm2
|
|
; NHM-NEXT: movaps %xmm2, %xmm1
|
|
; NHM-NEXT: retq
|
|
;
|
|
; SNB-LABEL: v8f32_no_daz:
|
|
; SNB: # %bb.0:
|
|
; SNB-NEXT: vrsqrtps %ymm0, %ymm1
|
|
; SNB-NEXT: vmulps %ymm1, %ymm0, %ymm2
|
|
; SNB-NEXT: vmulps {{.*}}(%rip), %ymm2, %ymm3
|
|
; SNB-NEXT: vmulps %ymm1, %ymm2, %ymm1
|
|
; SNB-NEXT: vaddps {{.*}}(%rip), %ymm1, %ymm1
|
|
; SNB-NEXT: vandps {{.*}}(%rip), %ymm0, %ymm0
|
|
; SNB-NEXT: vmulps %ymm1, %ymm3, %ymm1
|
|
; SNB-NEXT: vmovaps {{.*#+}} ymm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; SNB-NEXT: vcmpleps %ymm0, %ymm2, %ymm0
|
|
; SNB-NEXT: vandps %ymm1, %ymm0, %ymm0
|
|
; SNB-NEXT: retq
|
|
;
|
|
; BDW-LABEL: v8f32_no_daz:
|
|
; BDW: # %bb.0:
|
|
; BDW-NEXT: vrsqrtps %ymm0, %ymm1
|
|
; BDW-NEXT: vmulps %ymm1, %ymm0, %ymm2
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; BDW-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; BDW-NEXT: vmulps %ymm1, %ymm2, %ymm1
|
|
; BDW-NEXT: vmulps %ymm3, %ymm1, %ymm1
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm2 = [NaN,NaN,NaN,NaN,NaN,NaN,NaN,NaN]
|
|
; BDW-NEXT: vandps %ymm2, %ymm0, %ymm0
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm2 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
|
|
; BDW-NEXT: vcmpleps %ymm0, %ymm2, %ymm0
|
|
; BDW-NEXT: vandps %ymm1, %ymm0, %ymm0
|
|
; BDW-NEXT: retq
|
|
;
|
|
; SKL-LABEL: v8f32_no_daz:
|
|
; SKL: # %bb.0:
|
|
; SKL-NEXT: vsqrtps %ymm0, %ymm0
|
|
; SKL-NEXT: retq
|
|
%call = tail call fast <8 x float> @llvm.sqrt.v8f32(<8 x float> %f) #2
|
|
ret <8 x float> %call
|
|
}
|
|
|
|
; Repeat all tests with denorms-as-zero enabled.
|
|
|
|
define float @f32_daz(float %f) #1 {
|
|
; NHM-LABEL: f32_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: rsqrtss %xmm0, %xmm1
|
|
; NHM-NEXT: movaps %xmm0, %xmm2
|
|
; NHM-NEXT: mulss %xmm1, %xmm2
|
|
; NHM-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero
|
|
; NHM-NEXT: mulss %xmm2, %xmm3
|
|
; NHM-NEXT: mulss %xmm1, %xmm2
|
|
; NHM-NEXT: addss {{.*}}(%rip), %xmm2
|
|
; NHM-NEXT: mulss %xmm3, %xmm2
|
|
; NHM-NEXT: xorps %xmm1, %xmm1
|
|
; NHM-NEXT: cmpeqss %xmm1, %xmm0
|
|
; NHM-NEXT: andnps %xmm2, %xmm0
|
|
; NHM-NEXT: retq
|
|
;
|
|
; FAST-SCALAR-LABEL: f32_daz:
|
|
; FAST-SCALAR: # %bb.0:
|
|
; FAST-SCALAR-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
|
|
; FAST-SCALAR-NEXT: retq
|
|
%call = tail call fast float @llvm.sqrt.f32(float %f) #2
|
|
ret float %call
|
|
}
|
|
|
|
define <4 x float> @v4f32_daz(<4 x float> %f) #1 {
|
|
; NHM-LABEL: v4f32_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: rsqrtps %xmm0, %xmm1
|
|
; NHM-NEXT: movaps %xmm0, %xmm2
|
|
; NHM-NEXT: mulps %xmm1, %xmm2
|
|
; NHM-NEXT: movaps {{.*#+}} xmm3 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; NHM-NEXT: mulps %xmm2, %xmm3
|
|
; NHM-NEXT: mulps %xmm1, %xmm2
|
|
; NHM-NEXT: addps {{.*}}(%rip), %xmm2
|
|
; NHM-NEXT: mulps %xmm3, %xmm2
|
|
; NHM-NEXT: xorps %xmm1, %xmm1
|
|
; NHM-NEXT: cmpneqps %xmm1, %xmm0
|
|
; NHM-NEXT: andps %xmm2, %xmm0
|
|
; NHM-NEXT: retq
|
|
;
|
|
; SNB-LABEL: v4f32_daz:
|
|
; SNB: # %bb.0:
|
|
; SNB-NEXT: vrsqrtps %xmm0, %xmm1
|
|
; SNB-NEXT: vmulps %xmm1, %xmm0, %xmm2
|
|
; SNB-NEXT: vmulps {{.*}}(%rip), %xmm2, %xmm3
|
|
; SNB-NEXT: vmulps %xmm1, %xmm2, %xmm1
|
|
; SNB-NEXT: vaddps {{.*}}(%rip), %xmm1, %xmm1
|
|
; SNB-NEXT: vmulps %xmm1, %xmm3, %xmm1
|
|
; SNB-NEXT: vxorps %xmm2, %xmm2, %xmm2
|
|
; SNB-NEXT: vcmpneqps %xmm2, %xmm0, %xmm0
|
|
; SNB-NEXT: vandps %xmm1, %xmm0, %xmm0
|
|
; SNB-NEXT: retq
|
|
;
|
|
; BDW-LABEL: v4f32_daz:
|
|
; BDW: # %bb.0:
|
|
; BDW-NEXT: vrsqrtps %xmm0, %xmm1
|
|
; BDW-NEXT: vmulps %xmm1, %xmm0, %xmm2
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; BDW-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; BDW-NEXT: vmulps %xmm1, %xmm2, %xmm1
|
|
; BDW-NEXT: vmulps %xmm3, %xmm1, %xmm1
|
|
; BDW-NEXT: vxorps %xmm2, %xmm2, %xmm2
|
|
; BDW-NEXT: vcmpneqps %xmm2, %xmm0, %xmm0
|
|
; BDW-NEXT: vandps %xmm1, %xmm0, %xmm0
|
|
; BDW-NEXT: retq
|
|
;
|
|
; SKL-LABEL: v4f32_daz:
|
|
; SKL: # %bb.0:
|
|
; SKL-NEXT: vsqrtps %xmm0, %xmm0
|
|
; SKL-NEXT: retq
|
|
%call = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %f) #2
|
|
ret <4 x float> %call
|
|
}
|
|
|
|
define <8 x float> @v8f32_daz(<8 x float> %f) #1 {
|
|
; NHM-LABEL: v8f32_daz:
|
|
; NHM: # %bb.0:
|
|
; NHM-NEXT: rsqrtps %xmm0, %xmm2
|
|
; NHM-NEXT: movaps %xmm0, %xmm3
|
|
; NHM-NEXT: mulps %xmm2, %xmm3
|
|
; NHM-NEXT: movaps {{.*#+}} xmm4 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; NHM-NEXT: movaps %xmm3, %xmm5
|
|
; NHM-NEXT: mulps %xmm4, %xmm5
|
|
; NHM-NEXT: mulps %xmm2, %xmm3
|
|
; NHM-NEXT: movaps {{.*#+}} xmm2 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; NHM-NEXT: addps %xmm2, %xmm3
|
|
; NHM-NEXT: mulps %xmm5, %xmm3
|
|
; NHM-NEXT: xorps %xmm5, %xmm5
|
|
; NHM-NEXT: cmpneqps %xmm5, %xmm0
|
|
; NHM-NEXT: andps %xmm3, %xmm0
|
|
; NHM-NEXT: rsqrtps %xmm1, %xmm3
|
|
; NHM-NEXT: movaps %xmm1, %xmm6
|
|
; NHM-NEXT: mulps %xmm3, %xmm6
|
|
; NHM-NEXT: mulps %xmm6, %xmm4
|
|
; NHM-NEXT: mulps %xmm3, %xmm6
|
|
; NHM-NEXT: addps %xmm2, %xmm6
|
|
; NHM-NEXT: mulps %xmm4, %xmm6
|
|
; NHM-NEXT: cmpneqps %xmm5, %xmm1
|
|
; NHM-NEXT: andps %xmm6, %xmm1
|
|
; NHM-NEXT: retq
|
|
;
|
|
; SNB-LABEL: v8f32_daz:
|
|
; SNB: # %bb.0:
|
|
; SNB-NEXT: vrsqrtps %ymm0, %ymm1
|
|
; SNB-NEXT: vmulps %ymm1, %ymm0, %ymm2
|
|
; SNB-NEXT: vmulps {{.*}}(%rip), %ymm2, %ymm3
|
|
; SNB-NEXT: vmulps %ymm1, %ymm2, %ymm1
|
|
; SNB-NEXT: vaddps {{.*}}(%rip), %ymm1, %ymm1
|
|
; SNB-NEXT: vmulps %ymm1, %ymm3, %ymm1
|
|
; SNB-NEXT: vxorps %xmm2, %xmm2, %xmm2
|
|
; SNB-NEXT: vcmpneqps %ymm2, %ymm0, %ymm0
|
|
; SNB-NEXT: vandps %ymm1, %ymm0, %ymm0
|
|
; SNB-NEXT: retq
|
|
;
|
|
; BDW-LABEL: v8f32_daz:
|
|
; BDW: # %bb.0:
|
|
; BDW-NEXT: vrsqrtps %ymm0, %ymm1
|
|
; BDW-NEXT: vmulps %ymm1, %ymm0, %ymm2
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
|
|
; BDW-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
|
|
; BDW-NEXT: vbroadcastss {{.*#+}} ymm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
|
|
; BDW-NEXT: vmulps %ymm1, %ymm2, %ymm1
|
|
; BDW-NEXT: vmulps %ymm3, %ymm1, %ymm1
|
|
; BDW-NEXT: vxorps %xmm2, %xmm2, %xmm2
|
|
; BDW-NEXT: vcmpneqps %ymm2, %ymm0, %ymm0
|
|
; BDW-NEXT: vandps %ymm1, %ymm0, %ymm0
|
|
; BDW-NEXT: retq
|
|
;
|
|
; SKL-LABEL: v8f32_daz:
|
|
; SKL: # %bb.0:
|
|
; SKL-NEXT: vsqrtps %ymm0, %ymm0
|
|
; SKL-NEXT: retq
|
|
%call = tail call fast <8 x float> @llvm.sqrt.v8f32(<8 x float> %f) #2
|
|
ret <8 x float> %call
|
|
}
|
|
|
|
declare float @llvm.sqrt.f32(float) #2
|
|
declare <4 x float> @llvm.sqrt.v4f32(<4 x float>) #2
|
|
declare <8 x float> @llvm.sqrt.v8f32(<8 x float>) #2
|
|
|
|
attributes #0 = { "denormal-fp-math"="ieee,ieee" }
|
|
attributes #1 = { "denormal-fp-math"="ieee,preserve-sign" }
|
|
attributes #2 = { nounwind readnone }
|