1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-- -mattr=fma | FileCheck %s
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.
7 define double @julia_dotf(<4 x double> %x, <4 x double> %y, <4 x double> %z, i1 %t3) {
8 ; CHECK-LABEL: julia_dotf:
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: vshufpd {{.*#+}} xmm1 = xmm0[1,0]
14 ; CHECK-NEXT: vaddsd %xmm1, %xmm0, %xmm0
15 ; CHECK-NEXT: vzeroupper
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