|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=ALL,SSE2 | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=ALL,SSE41 | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=ALL,AVX | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=ALL,AVX | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512bw | FileCheck %s --check-prefixes=ALL,AVX512,AVX512BW | 
|  | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512bw,+avx512vl | FileCheck %s --check-prefixes=ALL,AVX512,AVX512VL | 
|  |  | 
|  | ; | 
|  | ; vXf32 | 
|  | ; | 
|  |  | 
|  | define float @test_v1f32(<1 x float> %a0) { | 
|  | ; ALL-LABEL: test_v1f32: | 
|  | ; ALL:       # %bb.0: | 
|  | ; ALL-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v1f32(<1 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | define float @test_v2f32(<2 x float> %a0) { | 
|  | ; SSE2-LABEL: test_v2f32: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    shufps {{.*#+}} xmm2 = xmm2[1,1],xmm0[1,1] | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v2f32: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movshdup {{.*#+}} xmm2 = xmm0[1,1,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm0, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v2f32: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm0, %xmm1, %xmm2, %xmm0 | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v2f32: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3] | 
|  | ; AVX512-NEXT:    vmaxss %xmm0, %xmm2, %xmm1 | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovss %xmm2, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vmovaps %xmm1, %xmm0 | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v2f32(<2 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | define float @test_v3f32(<3 x float> %a0) { | 
|  | ; SSE2-LABEL: test_v3f32: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[1,1],xmm0[1,1] | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    movaps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm2 | 
|  | ; SSE2-NEXT:    movhlps {{.*#+}} xmm0 = xmm0[1,1] | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    maxss %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm2, %xmm2 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    andnps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    orps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v3f32: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE41-NEXT:    movshdup {{.*#+}} xmm3 = xmm0[1,1,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    maxss %xmm0, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    movhlps {{.*#+}} xmm1 = xmm1[1,1] | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    maxss %xmm2, %xmm3 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v3f32: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vblendvps %xmm3, %xmm1, %xmm2, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm0 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v3f32: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] | 
|  | ; AVX512-NEXT:    vmaxss %xmm0, %xmm1, %xmm2 | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovss %xmm1, %xmm2, %xmm2 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm2, %xmm2, %k1 | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxss %xmm2, %xmm1, %xmm0 | 
|  | ; AVX512-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v3f32(<3 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | define float @test_v4f32(<4 x float> %a0) { | 
|  | ; SSE2-LABEL: test_v4f32: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm3 | 
|  | ; SSE2-NEXT:    shufps {{.*#+}} xmm3 = xmm3[1,1],xmm0[1,1] | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    andps %xmm3, %xmm4 | 
|  | ; SSE2-NEXT:    maxss %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[3,3,3,3] | 
|  | ; SSE2-NEXT:    movhlps {{.*#+}} xmm2 = xmm2[1,1] | 
|  | ; SSE2-NEXT:    andnps %xmm3, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm3 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    andnps %xmm3, %xmm4 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm3 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v4f32: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movaps %xmm0, %xmm3 | 
|  | ; SSE41-NEXT:    shufps {{.*#+}} xmm3 = xmm3[3,3],xmm0[3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm0, %xmm4 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm4 = xmm4[1],xmm0[1] | 
|  | ; SSE41-NEXT:    movshdup {{.*#+}} xmm2 = xmm0[1,1,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm0, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    maxss %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v4f32: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm0[3,3,3,3] | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm3 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm3, %xmm4 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm0, %xmm3, %xmm4, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm2, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm3, %xmm2, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm2 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm1, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v4f32: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vshufps {{.*#+}} xmm1 = xmm0[3,3,3,3] | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmovshdup {{.*#+}} xmm3 = xmm0[1,1,3,3] | 
|  | ; AVX512-NEXT:    vmaxss %xmm0, %xmm3, %xmm4 | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovss %xmm3, %xmm4, %xmm4 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm4, %xmm4, %k1 | 
|  | ; AVX512-NEXT:    vmaxss %xmm4, %xmm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmovss %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v4f32(<4 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | define float @test_v8f32(<8 x float> %a0) { | 
|  | ; SSE2-LABEL: test_v8f32: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordps %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1] | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3] | 
|  | ; SSE2-NEXT:    movdqa %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm4 | 
|  | ; SSE2-NEXT:    andnps %xmm3, %xmm4 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm4, %xmm1 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3] | 
|  | ; SSE2-NEXT:    movdqa %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    maxss %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v8f32: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    maxps %xmm0, %xmm3 | 
|  | ; SSE41-NEXT:    cmpunordps %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    movshdup {{.*#+}} xmm2 = xmm3[1,1,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm4 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm4 = xmm4[1],xmm3[1] | 
|  | ; SSE41-NEXT:    movaps %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    maxss %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    shufps {{.*#+}} xmm3 = xmm3[3,3,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v8f32: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1 | 
|  | ; AVX-NEXT:    vshufps {{.*#+}} xmm2 = xmm1[3,3,3,3] | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm3 = xmm1[1,0] | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm4 = xmm1[1,1,3,3] | 
|  | ; AVX-NEXT:    vshufps {{.*#+}} xmm5 = xmm0[3,3,3,3] | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm6 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm7 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm7, %xmm8 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm0, %xmm7, %xmm8, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm7 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm6, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm7, %xmm6, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm6 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm5, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm6, %xmm5, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm5 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm5, %xmm1, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm4, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm1, %xmm4, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm3, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm1, %xmm3, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm2, %xmm0 | 
|  | ; AVX-NEXT:    vblendvps %xmm1, %xmm2, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vzeroupper | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512BW-LABEL: test_v8f32: | 
|  | ; AVX512BW:       # %bb.0: | 
|  | ; AVX512BW-NEXT:    vextractf128 $1, %ymm0, %xmm3 | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm1 = xmm3[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm2 = xmm3[1,0] | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm4 = xmm3[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm5 = xmm0[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm6 = xmm0[1,0] | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm7 = xmm0[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm7, %xmm8 | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm7, %xmm8, %xmm8 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm8, %xmm8, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm8, %xmm6, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm6, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm5, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm5, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm3, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm3, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm4, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm4, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vzeroupper | 
|  | ; AVX512BW-NEXT:    retq | 
|  | ; | 
|  | ; AVX512VL-LABEL: test_v8f32: | 
|  | ; AVX512VL:       # %bb.0: | 
|  | ; AVX512VL-NEXT:    vextractf128 $1, %ymm0, %xmm1 | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm2 = xmm1[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm3 = xmm1[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm4 = xmm1[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm5 = xmm0[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm6 = xmm0[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm7 = xmm0[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm7, %xmm8 | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm7, %xmm8, %xmm8 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm8, %xmm8, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm8, %xmm6, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm6, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm5, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm5, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm4, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm4, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm3, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm3, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vzeroupper | 
|  | ; AVX512VL-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v8f32(<8 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | define float @test_v16f32(<16 x float> %a0) { | 
|  | ; SSE2-LABEL: test_v16f32: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movaps %xmm2, %xmm4 | 
|  | ; SSE2-NEXT:    maxps %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    cmpunordps %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnps %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    movaps %xmm3, %xmm2 | 
|  | ; SSE2-NEXT:    maxps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordps %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    andps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxps %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordps %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1] | 
|  | ; SSE2-NEXT:    movaps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3] | 
|  | ; SSE2-NEXT:    movdqa %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxss %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm4 | 
|  | ; SSE2-NEXT:    andnps %xmm3, %xmm4 | 
|  | ; SSE2-NEXT:    andps %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm4, %xmm1 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3] | 
|  | ; SSE2-NEXT:    movdqa %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    maxss %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andnps %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    andps %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    orps %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v16f32: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm4 | 
|  | ; SSE41-NEXT:    maxps %xmm0, %xmm4 | 
|  | ; SSE41-NEXT:    cmpunordps %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm4 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    maxps %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordps %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm3 | 
|  | ; SSE41-NEXT:    maxps %xmm4, %xmm3 | 
|  | ; SSE41-NEXT:    cmpunordps %xmm4, %xmm4 | 
|  | ; SSE41-NEXT:    movaps %xmm4, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm3 | 
|  | ; SSE41-NEXT:    movshdup {{.*#+}} xmm2 = xmm3[1,1,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm4 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm4 = xmm4[1],xmm3[1] | 
|  | ; SSE41-NEXT:    movaps %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    maxss %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    shufps {{.*#+}} xmm3 = xmm3[3,3,3,3] | 
|  | ; SSE41-NEXT:    movaps %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    maxss %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordss %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movaps %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movaps %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v16f32: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vmaxps %ymm0, %ymm1, %ymm2 | 
|  | ; AVX-NEXT:    vcmpunordps %ymm0, %ymm0, %ymm0 | 
|  | ; AVX-NEXT:    vblendvps %ymm0, %ymm1, %ymm2, %ymm0 | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vblendvps %xmm3, %xmm1, %xmm2, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm3 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm3, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm3, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufps {{.*#+}} xmm3 = xmm0[3,3,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm3, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm3, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm0 | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm0, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vmovshdup {{.*#+}} xmm3 = xmm0[1,1,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm3, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm3, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm3 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm3, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm3, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordss %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[3,3,3,3] | 
|  | ; AVX-NEXT:    vmaxss %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvps %xmm2, %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vzeroupper | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512BW-LABEL: test_v16f32: | 
|  | ; AVX512BW:       # %bb.0: | 
|  | ; AVX512BW-NEXT:    vextractf128 $1, %ymm0, %xmm1 | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm0, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm1[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm1, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm2 = xmm1[1,0] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vextractf32x4 $2, %zmm0, %xmm2 | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm1, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm2[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm2, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm2, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm1, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm1 = xmm2[1,0] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm1, %xmm3 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm3, %xmm3 {%k1} | 
|  | ; AVX512BW-NEXT:    vextractf32x4 $3, %zmm0, %xmm0 | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm1 = xmm2[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm3, %xmm3, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm3, %xmm1, %xmm2 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm2, %xmm2 {%k1} | 
|  | ; AVX512BW-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm2, %xmm2, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm2, %xmm0, %xmm2 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm0, %xmm2, %xmm2 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm2, %xmm2, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm2, %xmm1, %xmm2 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm2, %xmm2 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm2, %xmm2, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm2, %xmm1, %xmm2 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm2, %xmm2 {%k1} | 
|  | ; AVX512BW-NEXT:    vshufps {{.*#+}} xmm1 = xmm0[3,3,3,3] | 
|  | ; AVX512BW-NEXT:    vcmpunordss %xmm2, %xmm2, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxss %xmm2, %xmm1, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vzeroupper | 
|  | ; AVX512BW-NEXT:    retq | 
|  | ; | 
|  | ; AVX512VL-LABEL: test_v16f32: | 
|  | ; AVX512VL:       # %bb.0: | 
|  | ; AVX512VL-NEXT:    vextractf32x4 $3, %zmm0, %xmm3 | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm1 = xmm3[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm2 = xmm3[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm4 = xmm3[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vextractf32x4 $2, %zmm0, %xmm6 | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm5 = xmm6[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm7 = xmm6[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm8 = xmm6[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vextractf128 $1, %ymm0, %xmm9 | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm10 = xmm9[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm11 = xmm9[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm12 = xmm9[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vshufps {{.*#+}} xmm13 = xmm0[3,3,3,3] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm14 = xmm0[1,0] | 
|  | ; AVX512VL-NEXT:    vmovshdup {{.*#+}} xmm15 = xmm0[1,1,3,3] | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm15, %xmm16 | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm15, %xmm16, %xmm16 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm16, %xmm16, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm16, %xmm14, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm14, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm13, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm13, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm9, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm9, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm12, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm12, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm11, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm11, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm10, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm10, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm6, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm6, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm8, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm8, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm7, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm7, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm5, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm5, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm3, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm3, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm4, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm4, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordss %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxss %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovss %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vzeroupper | 
|  | ; AVX512VL-NEXT:    retq | 
|  | %1 = call float @llvm.vector.reduce.fmax.v16f32(<16 x float> %a0) | 
|  | ret float %1 | 
|  | } | 
|  |  | 
|  | ; | 
|  | ; vXf64 | 
|  | ; | 
|  |  | 
|  | define double @test_v2f64(<2 x double> %a0) { | 
|  | ; SSE2-LABEL: test_v2f64: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movapd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    unpckhpd {{.*#+}} xmm2 = xmm2[1],xmm0[1] | 
|  | ; SSE2-NEXT:    movapd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordsd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andpd %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxsd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v2f64: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movapd %xmm0, %xmm2 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm2 = xmm2[1],xmm0[1] | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxsd %xmm0, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordsd %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v2f64: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vblendvpd %xmm0, %xmm1, %xmm2, %xmm0 | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v2f64: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm0, %xmm2, %xmm1 | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm2, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vmovapd %xmm1, %xmm0 | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call double @llvm.vector.reduce.fmax.v2f64(<2 x double> %a0) | 
|  | ret double %1 | 
|  | } | 
|  |  | 
|  | define double @test_v4f64(<4 x double> %a0) { | 
|  | ; SSE2-LABEL: test_v4f64: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3] | 
|  | ; SSE2-NEXT:    movapd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordsd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andpd %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxsd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v4f64: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    maxpd %xmm0, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm3 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm2[1] | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    maxsd %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordsd %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v4f64: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm2 = xmm1[1,0] | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm3 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm3, %xmm4 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vblendvpd %xmm0, %xmm3, %xmm4, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vblendvpd %xmm3, %xmm1, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm2, %xmm0 | 
|  | ; AVX-NEXT:    vblendvpd %xmm1, %xmm2, %xmm0, %xmm0 | 
|  | ; AVX-NEXT:    vzeroupper | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v4f64: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vextractf128 $1, %ymm0, %xmm1 | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm2 = xmm1[1,0] | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm3 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm0, %xmm3, %xmm4 | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm3, %xmm4, %xmm4 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm4, %xmm4, %k1 | 
|  | ; AVX512-NEXT:    vmaxsd %xmm4, %xmm1, %xmm0 | 
|  | ; AVX512-NEXT:    vmovsd %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512-NEXT:    vmaxsd %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmovsd %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    vzeroupper | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call double @llvm.vector.reduce.fmax.v4f64(<4 x double> %a0) | 
|  | ret double %1 | 
|  | } | 
|  |  | 
|  | define double @test_v8f64(<8 x double> %a0) { | 
|  | ; SSE2-LABEL: test_v8f64: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movapd %xmm2, %xmm4 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    movapd %xmm3, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    andpd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3] | 
|  | ; SSE2-NEXT:    movapd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordsd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andpd %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxsd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v8f64: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm4 | 
|  | ; SSE41-NEXT:    maxpd %xmm0, %xmm4 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm2, %xmm4 | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    maxpd %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    maxpd %xmm4, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm4, %xmm4 | 
|  | ; SSE41-NEXT:    movapd %xmm4, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm1[1] | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    maxsd %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordsd %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v8f64: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vmaxpd %ymm0, %ymm1, %ymm2 | 
|  | ; AVX-NEXT:    vcmpunordpd %ymm0, %ymm0, %ymm0 | 
|  | ; AVX-NEXT:    vblendvpd %ymm0, %ymm1, %ymm2, %ymm0 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vblendvpd %xmm3, %xmm1, %xmm2, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm0 | 
|  | ; AVX-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm0 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vzeroupper | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512BW-LABEL: test_v8f64: | 
|  | ; AVX512BW:       # %bb.0: | 
|  | ; AVX512BW-NEXT:    vextractf32x4 $3, %zmm0, %xmm2 | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm1 = xmm2[1,0] | 
|  | ; AVX512BW-NEXT:    vextractf32x4 $2, %zmm0, %xmm3 | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm4 = xmm3[1,0] | 
|  | ; AVX512BW-NEXT:    vextractf128 $1, %ymm0, %xmm5 | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm6 = xmm5[1,0] | 
|  | ; AVX512BW-NEXT:    vshufpd {{.*#+}} xmm7 = xmm0[1,0] | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm7, %xmm8 | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm7, %xmm8, %xmm8 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm8, %xmm8, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm8, %xmm5, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm5, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm6, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm6, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm3, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm3, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm4, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm4, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512BW-NEXT:    vmaxsd %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512BW-NEXT:    vmovsd %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512BW-NEXT:    vzeroupper | 
|  | ; AVX512BW-NEXT:    retq | 
|  | ; | 
|  | ; AVX512VL-LABEL: test_v8f64: | 
|  | ; AVX512VL:       # %bb.0: | 
|  | ; AVX512VL-NEXT:    vextractf32x4 $3, %zmm0, %xmm1 | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm2 = xmm1[1,0] | 
|  | ; AVX512VL-NEXT:    vextractf32x4 $2, %zmm0, %xmm3 | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm4 = xmm3[1,0] | 
|  | ; AVX512VL-NEXT:    vextractf128 $1, %ymm0, %xmm5 | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm6 = xmm5[1,0] | 
|  | ; AVX512VL-NEXT:    vshufpd {{.*#+}} xmm7 = xmm0[1,0] | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm7, %xmm8 | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm7, %xmm8, %xmm8 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm8, %xmm8, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm8, %xmm5, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm5, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm6, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm6, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm3, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm3, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm4, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm4, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm1, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm1, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vcmpunordsd %xmm0, %xmm0, %k1 | 
|  | ; AVX512VL-NEXT:    vmaxsd %xmm0, %xmm2, %xmm0 | 
|  | ; AVX512VL-NEXT:    vmovsd %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512VL-NEXT:    vzeroupper | 
|  | ; AVX512VL-NEXT:    retq | 
|  | %1 = call double @llvm.vector.reduce.fmax.v8f64(<8 x double> %a0) | 
|  | ret double %1 | 
|  | } | 
|  |  | 
|  | define double @test_v16f64(<16 x double> %a0) { | 
|  | ; SSE2-LABEL: test_v16f64: | 
|  | ; SSE2:       # %bb.0: | 
|  | ; SSE2-NEXT:    movapd %xmm4, %xmm8 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm8 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    andnpd %xmm8, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    movapd %xmm6, %xmm4 | 
|  | ; SSE2-NEXT:    maxpd %xmm2, %xmm4 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm2, %xmm2 | 
|  | ; SSE2-NEXT:    andpd %xmm2, %xmm6 | 
|  | ; SSE2-NEXT:    andnpd %xmm4, %xmm2 | 
|  | ; SSE2-NEXT:    orpd %xmm6, %xmm2 | 
|  | ; SSE2-NEXT:    movapd %xmm2, %xmm4 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm4 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm4, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    movapd %xmm5, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    andpd %xmm1, %xmm5 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm5, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm7, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm3, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm3, %xmm3 | 
|  | ; SSE2-NEXT:    andpd %xmm3, %xmm7 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    orpd %xmm7, %xmm3 | 
|  | ; SSE2-NEXT:    movapd %xmm3, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm1, %xmm1 | 
|  | ; SSE2-NEXT:    andpd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm2 | 
|  | ; SSE2-NEXT:    maxpd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE2-NEXT:    andpd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm0 | 
|  | ; SSE2-NEXT:    orpd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3] | 
|  | ; SSE2-NEXT:    movapd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    cmpunordsd %xmm0, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE2-NEXT:    andpd %xmm2, %xmm3 | 
|  | ; SSE2-NEXT:    maxsd %xmm0, %xmm2 | 
|  | ; SSE2-NEXT:    andnpd %xmm2, %xmm1 | 
|  | ; SSE2-NEXT:    orpd %xmm3, %xmm1 | 
|  | ; SSE2-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE2-NEXT:    retq | 
|  | ; | 
|  | ; SSE41-LABEL: test_v16f64: | 
|  | ; SSE41:       # %bb.0: | 
|  | ; SSE41-NEXT:    movapd %xmm4, %xmm8 | 
|  | ; SSE41-NEXT:    maxpd %xmm0, %xmm8 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm0, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm4, %xmm8 | 
|  | ; SSE41-NEXT:    movapd %xmm6, %xmm4 | 
|  | ; SSE41-NEXT:    maxpd %xmm2, %xmm4 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm6, %xmm4 | 
|  | ; SSE41-NEXT:    movapd %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    maxpd %xmm8, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm8, %xmm8 | 
|  | ; SSE41-NEXT:    movapd %xmm8, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm4, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm5, %xmm4 | 
|  | ; SSE41-NEXT:    maxpd %xmm1, %xmm4 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm5, %xmm4 | 
|  | ; SSE41-NEXT:    movapd %xmm7, %xmm1 | 
|  | ; SSE41-NEXT:    maxpd %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm3, %xmm3 | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm7, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    maxpd %xmm4, %xmm3 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm4, %xmm4 | 
|  | ; SSE41-NEXT:    movapd %xmm4, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    maxpd %xmm2, %xmm1 | 
|  | ; SSE41-NEXT:    cmpunordpd %xmm2, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm3 | 
|  | ; SSE41-NEXT:    unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm1[1] | 
|  | ; SSE41-NEXT:    movapd %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    maxsd %xmm1, %xmm2 | 
|  | ; SSE41-NEXT:    cmpunordsd %xmm1, %xmm1 | 
|  | ; SSE41-NEXT:    movapd %xmm1, %xmm0 | 
|  | ; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm2 | 
|  | ; SSE41-NEXT:    movapd %xmm2, %xmm0 | 
|  | ; SSE41-NEXT:    retq | 
|  | ; | 
|  | ; AVX-LABEL: test_v16f64: | 
|  | ; AVX:       # %bb.0: | 
|  | ; AVX-NEXT:    vmaxpd %ymm0, %ymm2, %ymm4 | 
|  | ; AVX-NEXT:    vcmpunordpd %ymm0, %ymm0, %ymm0 | 
|  | ; AVX-NEXT:    vblendvpd %ymm0, %ymm2, %ymm4, %ymm0 | 
|  | ; AVX-NEXT:    vmaxpd %ymm1, %ymm3, %ymm2 | 
|  | ; AVX-NEXT:    vcmpunordpd %ymm1, %ymm1, %ymm1 | 
|  | ; AVX-NEXT:    vblendvpd %ymm1, %ymm3, %ymm2, %ymm1 | 
|  | ; AVX-NEXT:    vmaxpd %ymm0, %ymm1, %ymm2 | 
|  | ; AVX-NEXT:    vcmpunordpd %ymm0, %ymm0, %ymm0 | 
|  | ; AVX-NEXT:    vblendvpd %ymm0, %ymm1, %ymm2, %ymm0 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm0, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm0, %xmm0, %xmm3 | 
|  | ; AVX-NEXT:    vblendvpd %xmm3, %xmm1, %xmm2, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm0 | 
|  | ; AVX-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm1 | 
|  | ; AVX-NEXT:    vcmpunordsd %xmm1, %xmm1, %xmm2 | 
|  | ; AVX-NEXT:    vshufpd {{.*#+}} xmm0 = xmm0[1,0] | 
|  | ; AVX-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0 | 
|  | ; AVX-NEXT:    vzeroupper | 
|  | ; AVX-NEXT:    retq | 
|  | ; | 
|  | ; AVX512-LABEL: test_v16f64: | 
|  | ; AVX512:       # %bb.0: | 
|  | ; AVX512-NEXT:    vmaxpd %zmm0, %zmm1, %zmm2 | 
|  | ; AVX512-NEXT:    vcmpunordpd %zmm0, %zmm0, %k1 | 
|  | ; AVX512-NEXT:    vmovapd %zmm1, %zmm2 {%k1} | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm0 = xmm2[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm2, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm2, %xmm2, %k1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vextractf128 $1, %ymm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm0 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vextractf32x4 $2, %zmm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm0 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vextractf32x4 $3, %zmm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm0, %xmm1 | 
|  | ; AVX512-NEXT:    vmovsd %xmm0, %xmm1, %xmm1 {%k1} | 
|  | ; AVX512-NEXT:    vcmpunordsd %xmm1, %xmm1, %k1 | 
|  | ; AVX512-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0] | 
|  | ; AVX512-NEXT:    vmaxsd %xmm1, %xmm2, %xmm0 | 
|  | ; AVX512-NEXT:    vmovsd %xmm2, %xmm0, %xmm0 {%k1} | 
|  | ; AVX512-NEXT:    vzeroupper | 
|  | ; AVX512-NEXT:    retq | 
|  | %1 = call double @llvm.vector.reduce.fmax.v16f64(<16 x double> %a0) | 
|  | ret double %1 | 
|  | } | 
|  |  | 
|  | declare float @llvm.vector.reduce.fmax.v1f32(<1 x float>) | 
|  | declare float @llvm.vector.reduce.fmax.v2f32(<2 x float>) | 
|  | declare float @llvm.vector.reduce.fmax.v3f32(<3 x float>) | 
|  | declare float @llvm.vector.reduce.fmax.v4f32(<4 x float>) | 
|  | declare float @llvm.vector.reduce.fmax.v8f32(<8 x float>) | 
|  | declare float @llvm.vector.reduce.fmax.v16f32(<16 x float>) | 
|  |  | 
|  | declare double @llvm.vector.reduce.fmax.v2f64(<2 x double>) | 
|  | declare double @llvm.vector.reduce.fmax.v4f64(<4 x double>) | 
|  | declare double @llvm.vector.reduce.fmax.v8f64(<8 x double>) | 
|  | declare double @llvm.vector.reduce.fmax.v16f64(<16 x double>) |