1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-- -mattr=fma | FileCheck %s 3 4; Propagation of IR FMF should not drop flags when adding the DAG reduction flag. 5; This should include an FMA instruction, not separate FMUL/FADD. 6 7define double @julia_dotf(<4 x double> %x, <4 x double> %y, <4 x double> %z, i1 %t3) { 8; CHECK-LABEL: julia_dotf: 9; CHECK: # %bb.0: 10; CHECK-NEXT: vfmadd213pd {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2 11; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 12; CHECK-NEXT: vaddpd %xmm1, %xmm0, %xmm0 13; CHECK-NEXT: vpermilpd {{.*#+}} xmm1 = xmm0[1,0] 14; CHECK-NEXT: vaddsd %xmm1, %xmm0, %xmm0 15; CHECK-NEXT: vzeroupper 16; CHECK-NEXT: retq 17 %t1 = fmul contract <4 x double> %x, %y 18 %t2 = fadd fast <4 x double> %z, %t1 19 %rdx.shuf = shufflevector <4 x double> %t2, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> 20 %bin.rdx22 = fadd fast <4 x double> %t2, %rdx.shuf 21 %rdx.shuf23 = shufflevector <4 x double> %bin.rdx22, <4 x double> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef> 22 %bin.rdx24 = fadd fast <4 x double> %bin.rdx22, %rdx.shuf23 23 %t4 = extractelement <4 x double> %bin.rdx24, i32 0 24 ret double %t4 25} 26 27