; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx -show-mc-encoding | FileCheck %s --check-prefix=AVX ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512vl -show-mc-encoding | FileCheck %s --check-prefix=AVX512VL define <4 x double> @test_x86_avx_vzeroall(<4 x double> %a, <4 x double> %b) { ; AVX-LABEL: test_x86_avx_vzeroall: ; AVX: # %bb.0: ; AVX-NEXT: vaddpd %ymm1, %ymm0, %ymm0 # encoding: [0xc5,0xfd,0x58,0xc1] ; AVX-NEXT: vmovupd %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill ; AVX-NEXT: # encoding: [0xc5,0xfd,0x11,0x44,0x24,0xc8] ; AVX-NEXT: vzeroall # encoding: [0xc5,0xfc,0x77] ; AVX-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload ; AVX-NEXT: # encoding: [0xc5,0xfc,0x10,0x44,0x24,0xc8] ; AVX-NEXT: retq # encoding: [0xc3] ; ; AVX512VL-LABEL: test_x86_avx_vzeroall: ; AVX512VL: # %bb.0: ; AVX512VL-NEXT: vaddpd %ymm1, %ymm0, %ymm16 # encoding: [0x62,0xe1,0xfd,0x28,0x58,0xc1] ; AVX512VL-NEXT: vzeroall # encoding: [0xc5,0xfc,0x77] ; AVX512VL-NEXT: vmovapd %ymm16, %ymm0 # encoding: [0x62,0xb1,0xfd,0x28,0x28,0xc0] ; AVX512VL-NEXT: retq # encoding: [0xc3] %c = fadd <4 x double> %a, %b call void @llvm.x86.avx.vzeroall() ret <4 x double> %c } declare void @llvm.x86.avx.vzeroall() nounwind define <4 x double> @test_x86_avx_vzeroupper(<4 x double> %a, <4 x double> %b) { ; AVX-LABEL: test_x86_avx_vzeroupper: ; AVX: # %bb.0: ; AVX-NEXT: vaddpd %ymm1, %ymm0, %ymm0 # encoding: [0xc5,0xfd,0x58,0xc1] ; AVX-NEXT: vmovupd %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill ; AVX-NEXT: # encoding: [0xc5,0xfd,0x11,0x44,0x24,0xc8] ; AVX-NEXT: vzeroupper # encoding: [0xc5,0xf8,0x77] ; AVX-NEXT: vmovups {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload ; AVX-NEXT: # encoding: [0xc5,0xfc,0x10,0x44,0x24,0xc8] ; AVX-NEXT: retq # encoding: [0xc3] ; ; AVX512VL-LABEL: test_x86_avx_vzeroupper: ; AVX512VL: # %bb.0: ; AVX512VL-NEXT: vaddpd %ymm1, %ymm0, %ymm16 # encoding: [0x62,0xe1,0xfd,0x28,0x58,0xc1] ; AVX512VL-NEXT: vzeroupper # encoding: [0xc5,0xf8,0x77] ; AVX512VL-NEXT: vmovapd %ymm16, %ymm0 # encoding: [0x62,0xb1,0xfd,0x28,0x28,0xc0] ; AVX512VL-NEXT: retq # encoding: [0xc3] %c = fadd <4 x double> %a, %b call void @llvm.x86.avx.vzeroupper() ret <4 x double> %c } declare void @llvm.x86.avx.vzeroupper() nounwind