| ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+mmx,+fma,+f16c,+avx512f -stop-after finalize-isel -o - %s | FileCheck %s |
| ; This test ensures that the MXCSR is implicitly used by MMX FP instructions. |
| |
| define x86_mmx @mxcsr_mmx(<4 x float> %a0) { |
| ; CHECK: MMX_CVTPS2PIirr %{{[0-9]}}, implicit $mxcsr |
| ; CHECK: MMX_CVTPI2PSirr %{{[0-9]}}, killed %{{[0-9]}}, implicit $mxcsr |
| ; CHECK: MMX_CVTTPS2PIirr killed %{{[0-9]}}, implicit $mxcsr |
| ; CHECK: MMX_CVTPI2PDirr killed %{{[0-9]$}} |
| ; CHECK: MMX_CVTPD2PIirr killed %{{[0-9]}}, implicit $mxcsr |
| %1 = call x86_mmx @llvm.x86.sse.cvtps2pi(<4 x float> %a0) |
| %2 = call <4 x float> @llvm.x86.sse.cvtpi2ps(<4 x float> %a0, x86_mmx %1) |
| %3 = call x86_mmx @llvm.x86.sse.cvttps2pi(<4 x float> %2) |
| %4 = call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %3) |
| %5 = call x86_mmx @llvm.x86.sse.cvtpd2pi(<2 x double> %4) |
| ret x86_mmx %5 |
| } |
| |
| define half @mxcsr_f16c(float %a) { |
| ; CHECK: VCVTPS2PH{{.*}}mxcsr |
| %res = fptrunc float %a to half |
| ret half %res |
| } |
| |
| define <4 x float> @mxcsr_fma_ss(<4 x float> %a, <4 x float> %b) { |
| ; CHECK: VFMADD{{.*}}mxcsr |
| %res = call <4 x float> @llvm.x86.fma.vfmadd.ss(<4 x float> %b, <4 x float> %a, <4 x float> |
| %a) |
| ret <4 x float> %res |
| } |
| |
| define <4 x float> @mxcsr_fma_ps(<4 x float> %a, <4 x float> %b) { |
| ; CHECK: VFMADD{{.*}}mxcsr |
| %res = call <4 x float> @llvm.x86.fma.vfmadd.ps(<4 x float> %b, <4 x float> %a, <4 x float> |
| %a) |
| ret <4 x float> %res |
| } |
| |
| define <8 x double> @mxcsr_fma_sae(<8 x double> %a, <8 x double> %b, <8 x double> %c) { |
| ; CHECK: VFMADD{{.*}}mxcsr |
| %res = call <8 x double> @llvm.x86.avx512.mask.vfmadd.pd.512(<8 x double> %a, <8 x double> %b, <8 x double> %c, i8 -1, i32 10) |
| ret <8 x double> %res |
| } |
| |
| declare x86_mmx @llvm.x86.sse.cvtps2pi(<4 x float>) |
| declare<4 x float> @llvm.x86.sse.cvtpi2ps(<4 x float>, x86_mmx) |
| declare x86_mmx @llvm.x86.sse.cvttps2pi(<4 x float>) |
| declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx) |
| declare x86_mmx @llvm.x86.sse.cvtpd2pi(<2 x double>) |
| declare <4 x float> @llvm.x86.fma.vfmadd.ss(<4 x float>, <4 x float>, <4 x float>) |
| declare <4 x float> @llvm.x86.fma.vfmadd.ps(<4 x float>, <4 x float>, <4 x float>) |
| declare <8 x double> @llvm.x86.avx512.mask.vfmadd.pd.512(<8 x double>, <8 x double>, <8 x double>, i8, i32) |