xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/sqrt-fastmath-mir.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2,fma -recip=sqrt:2 -stop-after=expand-isel-pseudos 2>&1 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare float @llvm.sqrt.f32(float) #0
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine float @foo(float %f) #0 {
6*9880d681SAndroid Build Coastguard Worker; CHECK: {{name: *foo}}
7*9880d681SAndroid Build Coastguard Worker; CHECK: body:
8*9880d681SAndroid Build Coastguard Worker; CHECK:     %0 = COPY %xmm0
9*9880d681SAndroid Build Coastguard Worker; CHECK:     %1 = VRSQRTSSr killed %2, %0
10*9880d681SAndroid Build Coastguard Worker; CHECK:     %3 = VMULSSrr %0, %1
11*9880d681SAndroid Build Coastguard Worker; CHECK:     %4 = VMOVSSrm
12*9880d681SAndroid Build Coastguard Worker; CHECK:     %5 = VFMADDSSr213r %1, killed %3, %4
13*9880d681SAndroid Build Coastguard Worker; CHECK:     %6 = VMOVSSrm
14*9880d681SAndroid Build Coastguard Worker; CHECK:     %7 = VMULSSrr %1, %6
15*9880d681SAndroid Build Coastguard Worker; CHECK:     %8 = VMULSSrr killed %7, killed %5
16*9880d681SAndroid Build Coastguard Worker; CHECK:     %9 = VMULSSrr %0, %8
17*9880d681SAndroid Build Coastguard Worker; CHECK:     %10 = VFMADDSSr213r %8, %9, %4
18*9880d681SAndroid Build Coastguard Worker; CHECK:     %11 = VMULSSrr %9, %6
19*9880d681SAndroid Build Coastguard Worker; CHECK:     %12 = VMULSSrr killed %11, killed %10
20*9880d681SAndroid Build Coastguard Worker; CHECK:     %13 = FsFLD0SS
21*9880d681SAndroid Build Coastguard Worker; CHECK:     %14 = VCMPSSrr %0, killed %13, 0
22*9880d681SAndroid Build Coastguard Worker; CHECK:     %15 = VFsANDNPSrr killed %14, killed %12
23*9880d681SAndroid Build Coastguard Worker; CHECK:     %xmm0 = COPY %15
24*9880d681SAndroid Build Coastguard Worker; CHECK:     RET 0, %xmm0
25*9880d681SAndroid Build Coastguard Worker  %call = tail call float @llvm.sqrt.f32(float %f) #1
26*9880d681SAndroid Build Coastguard Worker  ret float %call
27*9880d681SAndroid Build Coastguard Worker}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerdefine float @rfoo(float %f) #0 {
30*9880d681SAndroid Build Coastguard Worker; CHECK: {{name: *rfoo}}
31*9880d681SAndroid Build Coastguard Worker; CHECK: body:             |
32*9880d681SAndroid Build Coastguard Worker; CHECK:     %0 = COPY %xmm0
33*9880d681SAndroid Build Coastguard Worker; CHECK:     %1 = VRSQRTSSr killed %2, %0
34*9880d681SAndroid Build Coastguard Worker; CHECK:     %3 = VMULSSrr %0, %1
35*9880d681SAndroid Build Coastguard Worker; CHECK:     %4 = VMOVSSrm
36*9880d681SAndroid Build Coastguard Worker; CHECK:     %5 = VFMADDSSr213r %1, killed %3, %4
37*9880d681SAndroid Build Coastguard Worker; CHECK:     %6 = VMOVSSrm
38*9880d681SAndroid Build Coastguard Worker; CHECK:     %7 = VMULSSrr %1, %6
39*9880d681SAndroid Build Coastguard Worker; CHECK:     %8 = VMULSSrr killed %7, killed %5
40*9880d681SAndroid Build Coastguard Worker; CHECK:     %9 = VMULSSrr %0, %8
41*9880d681SAndroid Build Coastguard Worker; CHECK:     %10 = VFMADDSSr213r %8, killed %9, %4
42*9880d681SAndroid Build Coastguard Worker; CHECK:     %11 = VMULSSrr %8, %6
43*9880d681SAndroid Build Coastguard Worker; CHECK:     %12 = VMULSSrr killed %11, killed %10
44*9880d681SAndroid Build Coastguard Worker; CHECK:     %xmm0 = COPY %12
45*9880d681SAndroid Build Coastguard Worker; CHECK:     RET 0, %xmm0
46*9880d681SAndroid Build Coastguard Worker  %sqrt = tail call float @llvm.sqrt.f32(float %f)
47*9880d681SAndroid Build Coastguard Worker  %div = fdiv fast float 1.0, %sqrt
48*9880d681SAndroid Build Coastguard Worker  ret float %div
49*9880d681SAndroid Build Coastguard Worker}
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Workerattributes #0 = { "unsafe-fp-math"="true" }
52*9880d681SAndroid Build Coastguard Workerattributes #1 = { nounwind readnone }
53