[llvm] 1eb4f88 - [x86] add test coverage for AMD Ryzen fast sqrt codegen; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 4 08:42:35 PST 2022
Author: Sanjay Patel
Date: 2022-02-04T11:40:54-05:00
New Revision: 1eb4f88bfef1ab93b8286fdfd05a8b814507e329
URL: https://github.com/llvm/llvm-project/commit/1eb4f88bfef1ab93b8286fdfd05a8b814507e329
DIFF: https://github.com/llvm/llvm-project/commit/1eb4f88bfef1ab93b8286fdfd05a8b814507e329.diff
LOG: [x86] add test coverage for AMD Ryzen fast sqrt codegen; NFC
Added:
Modified:
llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll b/llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll
index df0a6adff100..ab97dd6f4b33 100644
--- a/llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll
+++ b/llvm/test/CodeGen/X86/sqrt-fastmath-tune.ll
@@ -3,6 +3,8 @@
; 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
+; RUN: llc < %s -mtriple=x86_64-- -mcpu=znver1 | FileCheck %s --check-prefixes=SLOW-SCALAR,ZN1
+; RUN: llc < %s -mtriple=x86_64-- -mcpu=znver3 | FileCheck %s --check-prefixes=SLOW-SCALAR,ZN3
define float @f32_no_daz(float %f) #0 {
; NHM-LABEL: f32_no_daz:
@@ -24,6 +26,19 @@ define float @f32_no_daz(float %f) #0 {
; FAST-SCALAR: # %bb.0:
; FAST-SCALAR-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
; FAST-SCALAR-NEXT: retq
+;
+; SLOW-SCALAR-LABEL: f32_no_daz:
+; SLOW-SCALAR: # %bb.0:
+; SLOW-SCALAR-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1
+; SLOW-SCALAR-NEXT: vbroadcastss {{.*#+}} xmm3 = [NaN,NaN,NaN,NaN]
+; SLOW-SCALAR-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; SLOW-SCALAR-NEXT: vfmadd213ss {{.*#+}} xmm1 = (xmm2 * xmm1) + mem
+; SLOW-SCALAR-NEXT: vmulss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
+; SLOW-SCALAR-NEXT: vandps %xmm3, %xmm0, %xmm0
+; SLOW-SCALAR-NEXT: vcmpltss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
+; SLOW-SCALAR-NEXT: vmulss %xmm1, %xmm2, %xmm1
+; SLOW-SCALAR-NEXT: vandnps %xmm1, %xmm0, %xmm0
+; SLOW-SCALAR-NEXT: retq
%call = tail call fast float @llvm.sqrt.f32(float %f) #2
ret float %call
}
@@ -80,6 +95,38 @@ define <4 x float> @v4f32_no_daz(<4 x float> %f) #0 {
; SKL: # %bb.0:
; SKL-NEXT: vsqrtps %xmm0, %xmm0
; SKL-NEXT: retq
+;
+; ZN1-LABEL: v4f32_no_daz:
+; ZN1: # %bb.0:
+; ZN1-NEXT: vrsqrtps %xmm0, %xmm1
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm4 = [NaN,NaN,NaN,NaN]
+; ZN1-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; ZN1-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
+; ZN1-NEXT: vandps %xmm4, %xmm0, %xmm0
+; ZN1-NEXT: vmulps %xmm1, %xmm2, %xmm1
+; ZN1-NEXT: vmulps %xmm3, %xmm1, %xmm1
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm3 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
+; ZN1-NEXT: vcmpleps %xmm0, %xmm3, %xmm0
+; ZN1-NEXT: vandps %xmm1, %xmm0, %xmm0
+; ZN1-NEXT: retq
+;
+; ZN3-LABEL: v4f32_no_daz:
+; ZN3: # %bb.0:
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
+; ZN3-NEXT: vrsqrtps %xmm0, %xmm1
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm4 = [NaN,NaN,NaN,NaN]
+; ZN3-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; ZN3-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
+; ZN3-NEXT: vandps %xmm4, %xmm0, %xmm0
+; ZN3-NEXT: vmulps %xmm1, %xmm2, %xmm1
+; ZN3-NEXT: vmulps %xmm3, %xmm1, %xmm1
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm3 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
+; ZN3-NEXT: vcmpleps %xmm0, %xmm3, %xmm0
+; ZN3-NEXT: vandps %xmm1, %xmm0, %xmm0
+; ZN3-NEXT: retq
%call = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %f) #2
ret <4 x float> %call
}
@@ -151,6 +198,38 @@ define <8 x float> @v8f32_no_daz(<8 x float> %f) #0 {
; SKL: # %bb.0:
; SKL-NEXT: vsqrtps %ymm0, %ymm0
; SKL-NEXT: retq
+;
+; ZN1-LABEL: v8f32_no_daz:
+; ZN1: # %bb.0:
+; ZN1-NEXT: vrsqrtps %ymm0, %ymm1
+; ZN1-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]
+; ZN1-NEXT: vbroadcastss {{.*#+}} ymm4 = [NaN,NaN,NaN,NaN,NaN,NaN,NaN,NaN]
+; ZN1-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; ZN1-NEXT: vandps %ymm4, %ymm0, %ymm0
+; ZN1-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
+; ZN1-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]
+; ZN1-NEXT: vmulps %ymm1, %ymm2, %ymm1
+; ZN1-NEXT: vmulps %ymm3, %ymm1, %ymm1
+; ZN1-NEXT: vbroadcastss {{.*#+}} ymm3 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
+; ZN1-NEXT: vcmpleps %ymm0, %ymm3, %ymm0
+; ZN1-NEXT: vandps %ymm1, %ymm0, %ymm0
+; ZN1-NEXT: retq
+;
+; ZN3-LABEL: v8f32_no_daz:
+; ZN3: # %bb.0:
+; ZN3-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]
+; ZN3-NEXT: vrsqrtps %ymm0, %ymm1
+; ZN3-NEXT: vbroadcastss {{.*#+}} ymm4 = [NaN,NaN,NaN,NaN,NaN,NaN,NaN,NaN]
+; ZN3-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; ZN3-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
+; ZN3-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]
+; ZN3-NEXT: vandps %ymm4, %ymm0, %ymm0
+; ZN3-NEXT: vmulps %ymm1, %ymm2, %ymm1
+; ZN3-NEXT: vmulps %ymm3, %ymm1, %ymm1
+; ZN3-NEXT: vbroadcastss {{.*#+}} ymm3 = [1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38,1.17549435E-38]
+; ZN3-NEXT: vcmpleps %ymm0, %ymm3, %ymm0
+; ZN3-NEXT: vandps %ymm1, %ymm0, %ymm0
+; ZN3-NEXT: retq
%call = tail call fast <8 x float> @llvm.sqrt.v8f32(<8 x float> %f) #2
ret <8 x float> %call
}
@@ -177,6 +256,18 @@ define float @f32_daz(float %f) #1 {
; FAST-SCALAR: # %bb.0:
; FAST-SCALAR-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
; FAST-SCALAR-NEXT: retq
+;
+; SLOW-SCALAR-LABEL: f32_daz:
+; SLOW-SCALAR: # %bb.0:
+; SLOW-SCALAR-NEXT: vrsqrtss %xmm0, %xmm0, %xmm1
+; SLOW-SCALAR-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; SLOW-SCALAR-NEXT: vfmadd213ss {{.*#+}} xmm1 = (xmm2 * xmm1) + mem
+; SLOW-SCALAR-NEXT: vmulss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2
+; SLOW-SCALAR-NEXT: vmulss %xmm1, %xmm2, %xmm1
+; SLOW-SCALAR-NEXT: vxorps %xmm2, %xmm2, %xmm2
+; SLOW-SCALAR-NEXT: vcmpeqss %xmm2, %xmm0, %xmm0
+; SLOW-SCALAR-NEXT: vandnps %xmm1, %xmm0, %xmm0
+; SLOW-SCALAR-NEXT: retq
%call = tail call fast float @llvm.sqrt.f32(float %f) #2
ret float %call
}
@@ -228,6 +319,34 @@ define <4 x float> @v4f32_daz(<4 x float> %f) #1 {
; SKL: # %bb.0:
; SKL-NEXT: vsqrtps %xmm0, %xmm0
; SKL-NEXT: retq
+;
+; ZN1-LABEL: v4f32_daz:
+; ZN1: # %bb.0:
+; ZN1-NEXT: vrsqrtps %xmm0, %xmm1
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
+; ZN1-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; ZN1-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
+; ZN1-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
+; ZN1-NEXT: vmulps %xmm1, %xmm2, %xmm1
+; ZN1-NEXT: vxorps %xmm2, %xmm2, %xmm2
+; ZN1-NEXT: vcmpneqps %xmm2, %xmm0, %xmm0
+; ZN1-NEXT: vmulps %xmm3, %xmm1, %xmm1
+; ZN1-NEXT: vandps %xmm1, %xmm0, %xmm0
+; ZN1-NEXT: retq
+;
+; ZN3-LABEL: v4f32_daz:
+; ZN3: # %bb.0:
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm3 = [-3.0E+0,-3.0E+0,-3.0E+0,-3.0E+0]
+; ZN3-NEXT: vrsqrtps %xmm0, %xmm1
+; ZN3-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; ZN3-NEXT: vfmadd231ps {{.*#+}} xmm3 = (xmm2 * xmm1) + xmm3
+; ZN3-NEXT: vbroadcastss {{.*#+}} xmm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1]
+; ZN3-NEXT: vmulps %xmm1, %xmm2, %xmm1
+; ZN3-NEXT: vxorps %xmm2, %xmm2, %xmm2
+; ZN3-NEXT: vcmpneqps %xmm2, %xmm0, %xmm0
+; ZN3-NEXT: vmulps %xmm3, %xmm1, %xmm1
+; ZN3-NEXT: vandps %xmm1, %xmm0, %xmm0
+; ZN3-NEXT: retq
%call = tail call fast <4 x float> @llvm.sqrt.v4f32(<4 x float> %f) #2
ret <4 x float> %call
}
@@ -290,6 +409,34 @@ define <8 x float> @v8f32_daz(<8 x float> %f) #1 {
; SKL: # %bb.0:
; SKL-NEXT: vsqrtps %ymm0, %ymm0
; SKL-NEXT: retq
+;
+; ZN1-LABEL: v8f32_daz:
+; ZN1: # %bb.0:
+; ZN1-NEXT: vrsqrtps %ymm0, %ymm1
+; ZN1-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]
+; ZN1-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; ZN1-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
+; ZN1-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]
+; ZN1-NEXT: vmulps %ymm1, %ymm2, %ymm1
+; ZN1-NEXT: vxorps %xmm2, %xmm2, %xmm2
+; ZN1-NEXT: vcmpneqps %ymm2, %ymm0, %ymm0
+; ZN1-NEXT: vmulps %ymm3, %ymm1, %ymm1
+; ZN1-NEXT: vandps %ymm1, %ymm0, %ymm0
+; ZN1-NEXT: retq
+;
+; ZN3-LABEL: v8f32_daz:
+; ZN3: # %bb.0:
+; ZN3-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]
+; ZN3-NEXT: vrsqrtps %ymm0, %ymm1
+; ZN3-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; ZN3-NEXT: vfmadd231ps {{.*#+}} ymm3 = (ymm2 * ymm1) + ymm3
+; ZN3-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]
+; ZN3-NEXT: vmulps %ymm1, %ymm2, %ymm1
+; ZN3-NEXT: vxorps %xmm2, %xmm2, %xmm2
+; ZN3-NEXT: vcmpneqps %ymm2, %ymm0, %ymm0
+; ZN3-NEXT: vmulps %ymm3, %ymm1, %ymm1
+; ZN3-NEXT: vandps %ymm1, %ymm0, %ymm0
+; ZN3-NEXT: retq
%call = tail call fast <8 x float> @llvm.sqrt.v8f32(<8 x float> %f) #2
ret <8 x float> %call
}
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