[llvm] r294254 - [X86][SSE] Tests showing the lowering of float/double complex multiplications with fastmath (PR31866)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 6 14:42:43 PST 2017
Author: rksimon
Date: Mon Feb 6 16:42:43 2017
New Revision: 294254
URL: http://llvm.org/viewvc/llvm-project?rev=294254&view=rev
Log:
[X86][SSE] Tests showing the lowering of float/double complex multiplications with fastmath (PR31866)
Added:
llvm/trunk/test/CodeGen/X86/complex-fastmath.ll
Added: llvm/trunk/test/CodeGen/X86/complex-fastmath.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/complex-fastmath.ll?rev=294254&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/complex-fastmath.ll (added)
+++ llvm/trunk/test/CodeGen/X86/complex-fastmath.ll Mon Feb 6 16:42:43 2017
@@ -0,0 +1,215 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=ALL --check-prefix=SSE
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=AVX1
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=FMA
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefix=ALL --check-prefix=AVX --check-prefix=FMA
+
+; PR31866
+; complex float complex_square_f32(complex float x) {
+; return x*x;
+; }
+
+define <2 x float> @complex_square_f32(<2 x float>) #0 {
+; SSE-LABEL: complex_square_f32:
+; SSE: # BB#0:
+; SSE-NEXT: movshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; SSE-NEXT: movaps %xmm0, %xmm2
+; SSE-NEXT: addss %xmm2, %xmm2
+; SSE-NEXT: mulss %xmm1, %xmm2
+; SSE-NEXT: mulss %xmm0, %xmm0
+; SSE-NEXT: mulss %xmm1, %xmm1
+; SSE-NEXT: subss %xmm1, %xmm0
+; SSE-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[2,3]
+; SSE-NEXT: retq
+;
+; AVX1-LABEL: complex_square_f32:
+; AVX1: # BB#0:
+; AVX1-NEXT: vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; AVX1-NEXT: vaddss %xmm0, %xmm0, %xmm2
+; AVX1-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; AVX1-NEXT: vmulss %xmm0, %xmm0, %xmm0
+; AVX1-NEXT: vmulss %xmm1, %xmm1, %xmm1
+; AVX1-NEXT: vsubss %xmm1, %xmm0, %xmm0
+; AVX1-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[2,3]
+; AVX1-NEXT: retq
+;
+; FMA-LABEL: complex_square_f32:
+; FMA: # BB#0:
+; FMA-NEXT: vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; FMA-NEXT: vaddss %xmm0, %xmm0, %xmm2
+; FMA-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; FMA-NEXT: vmulss %xmm1, %xmm1, %xmm1
+; FMA-NEXT: vfmsub231ss %xmm0, %xmm0, %xmm1
+; FMA-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0],xmm2[0],xmm1[2,3]
+; FMA-NEXT: retq
+ %2 = extractelement <2 x float> %0, i32 0
+ %3 = extractelement <2 x float> %0, i32 1
+ %4 = fmul fast float %3, 2.000000e+00
+ %5 = fmul fast float %4, %2
+ %6 = fmul fast float %2, %2
+ %7 = fmul fast float %3, %3
+ %8 = fsub fast float %6, %7
+ %9 = insertelement <2 x float> undef, float %8, i32 0
+ %10 = insertelement <2 x float> %9, float %5, i32 1
+ ret <2 x float> %10
+}
+
+define <2 x double> @complex_square_f64(<2 x double>) #0 {
+; SSE-LABEL: complex_square_f64:
+; SSE: # BB#0:
+; SSE-NEXT: movaps %xmm0, %xmm1
+; SSE-NEXT: movhlps {{.*#+}} xmm1 = xmm1[1,1]
+; SSE-NEXT: movaps %xmm0, %xmm2
+; SSE-NEXT: addsd %xmm2, %xmm2
+; SSE-NEXT: mulsd %xmm1, %xmm2
+; SSE-NEXT: mulsd %xmm0, %xmm0
+; SSE-NEXT: mulsd %xmm1, %xmm1
+; SSE-NEXT: subsd %xmm1, %xmm0
+; SSE-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
+; SSE-NEXT: retq
+;
+; AVX1-LABEL: complex_square_f64:
+; AVX1: # BB#0:
+; AVX1-NEXT: vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; AVX1-NEXT: vaddsd %xmm0, %xmm0, %xmm2
+; AVX1-NEXT: vmulsd %xmm2, %xmm1, %xmm2
+; AVX1-NEXT: vmulsd %xmm0, %xmm0, %xmm0
+; AVX1-NEXT: vmulsd %xmm1, %xmm1, %xmm1
+; AVX1-NEXT: vsubsd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
+; AVX1-NEXT: retq
+;
+; FMA-LABEL: complex_square_f64:
+; FMA: # BB#0:
+; FMA-NEXT: vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; FMA-NEXT: vaddsd %xmm0, %xmm0, %xmm2
+; FMA-NEXT: vmulsd %xmm2, %xmm1, %xmm2
+; FMA-NEXT: vmulsd %xmm1, %xmm1, %xmm1
+; FMA-NEXT: vfmsub231sd %xmm0, %xmm0, %xmm1
+; FMA-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm1[0],xmm2[0]
+; FMA-NEXT: retq
+ %2 = extractelement <2 x double> %0, i32 0
+ %3 = extractelement <2 x double> %0, i32 1
+ %4 = fmul fast double %3, 2.000000e+00
+ %5 = fmul fast double %4, %2
+ %6 = fmul fast double %2, %2
+ %7 = fmul fast double %3, %3
+ %8 = fsub fast double %6, %7
+ %9 = insertelement <2 x double> undef, double %8, i32 0
+ %10 = insertelement <2 x double> %9, double %5, i32 1
+ ret <2 x double> %10
+}
+
+; complex float complex_mul_f32(complex float x, complex float y) {
+; return x*y;
+; }
+
+define <2 x float> @complex_mul_f32(<2 x float>, <2 x float>) #0 {
+; SSE-LABEL: complex_mul_f32:
+; SSE: # BB#0:
+; SSE-NEXT: movshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; SSE-NEXT: movshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
+; SSE-NEXT: movaps %xmm3, %xmm4
+; SSE-NEXT: mulss %xmm0, %xmm4
+; SSE-NEXT: mulss %xmm1, %xmm0
+; SSE-NEXT: mulss %xmm2, %xmm1
+; SSE-NEXT: addss %xmm4, %xmm1
+; SSE-NEXT: mulss %xmm2, %xmm3
+; SSE-NEXT: subss %xmm3, %xmm0
+; SSE-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
+; SSE-NEXT: retq
+;
+; AVX1-LABEL: complex_mul_f32:
+; AVX1: # BB#0:
+; AVX1-NEXT: vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; AVX1-NEXT: vmovshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
+; AVX1-NEXT: vmulss %xmm0, %xmm3, %xmm4
+; AVX1-NEXT: vmulss %xmm2, %xmm1, %xmm5
+; AVX1-NEXT: vaddss %xmm5, %xmm4, %xmm4
+; AVX1-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX1-NEXT: vmulss %xmm2, %xmm3, %xmm1
+; AVX1-NEXT: vsubss %xmm1, %xmm0, %xmm0
+; AVX1-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[2,3]
+; AVX1-NEXT: retq
+;
+; FMA-LABEL: complex_mul_f32:
+; FMA: # BB#0:
+; FMA-NEXT: vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; FMA-NEXT: vmovshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
+; FMA-NEXT: vmulss %xmm2, %xmm1, %xmm4
+; FMA-NEXT: vfmadd231ss %xmm0, %xmm3, %xmm4
+; FMA-NEXT: vmulss %xmm2, %xmm3, %xmm2
+; FMA-NEXT: vfmsub231ss %xmm0, %xmm1, %xmm2
+; FMA-NEXT: vinsertps {{.*#+}} xmm0 = xmm2[0],xmm4[0],xmm2[2,3]
+; FMA-NEXT: retq
+ %3 = extractelement <2 x float> %0, i32 0
+ %4 = extractelement <2 x float> %0, i32 1
+ %5 = extractelement <2 x float> %1, i32 0
+ %6 = extractelement <2 x float> %1, i32 1
+ %7 = fmul fast float %6, %3
+ %8 = fmul fast float %5, %4
+ %9 = fadd fast float %7, %8
+ %10 = fmul fast float %5, %3
+ %11 = fmul fast float %6, %4
+ %12 = fsub fast float %10, %11
+ %13 = insertelement <2 x float> undef, float %12, i32 0
+ %14 = insertelement <2 x float> %13, float %9, i32 1
+ ret <2 x float> %14
+}
+
+define <2 x double> @complex_mul_f64(<2 x double>, <2 x double>) #0 {
+; SSE-LABEL: complex_mul_f64:
+; SSE: # BB#0:
+; SSE-NEXT: movaps %xmm0, %xmm2
+; SSE-NEXT: movhlps {{.*#+}} xmm2 = xmm2[1,1]
+; SSE-NEXT: movaps %xmm1, %xmm3
+; SSE-NEXT: movhlps {{.*#+}} xmm3 = xmm3[1,1]
+; SSE-NEXT: movaps %xmm3, %xmm4
+; SSE-NEXT: mulsd %xmm0, %xmm4
+; SSE-NEXT: mulsd %xmm1, %xmm0
+; SSE-NEXT: mulsd %xmm2, %xmm1
+; SSE-NEXT: addsd %xmm4, %xmm1
+; SSE-NEXT: mulsd %xmm2, %xmm3
+; SSE-NEXT: subsd %xmm3, %xmm0
+; SSE-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE-NEXT: retq
+;
+; AVX1-LABEL: complex_mul_f64:
+; AVX1: # BB#0:
+; AVX1-NEXT: vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
+; AVX1-NEXT: vpermilpd {{.*#+}} xmm3 = xmm1[1,0]
+; AVX1-NEXT: vmulsd %xmm0, %xmm3, %xmm4
+; AVX1-NEXT: vmulsd %xmm2, %xmm1, %xmm5
+; AVX1-NEXT: vaddsd %xmm5, %xmm4, %xmm4
+; AVX1-NEXT: vmulsd %xmm0, %xmm1, %xmm0
+; AVX1-NEXT: vmulsd %xmm2, %xmm3, %xmm1
+; AVX1-NEXT: vsubsd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm4[0]
+; AVX1-NEXT: retq
+;
+; FMA-LABEL: complex_mul_f64:
+; FMA: # BB#0:
+; FMA-NEXT: vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
+; FMA-NEXT: vpermilpd {{.*#+}} xmm3 = xmm1[1,0]
+; FMA-NEXT: vmulsd %xmm2, %xmm1, %xmm4
+; FMA-NEXT: vfmadd231sd %xmm0, %xmm3, %xmm4
+; FMA-NEXT: vmulsd %xmm2, %xmm3, %xmm2
+; FMA-NEXT: vfmsub231sd %xmm0, %xmm1, %xmm2
+; FMA-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm2[0],xmm4[0]
+; FMA-NEXT: retq
+ %3 = extractelement <2 x double> %0, i32 0
+ %4 = extractelement <2 x double> %0, i32 1
+ %5 = extractelement <2 x double> %1, i32 0
+ %6 = extractelement <2 x double> %1, i32 1
+ %7 = fmul fast double %6, %3
+ %8 = fmul fast double %5, %4
+ %9 = fadd fast double %7, %8
+ %10 = fmul fast double %5, %3
+ %11 = fmul fast double %6, %4
+ %12 = fsub fast double %10, %11
+ %13 = insertelement <2 x double> undef, double %12, i32 0
+ %14 = insertelement <2 x double> %13, double %9, i32 1
+ ret <2 x double> %14
+}
+
+attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "less-precise-fpmad"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "unsafe-fp-math"="true" }
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