1 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
2 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s -check-prefix=CHECK-NOFAST
4 declare float @llvm.fma.f32(float, float, float)
5 declare double @llvm.fma.f64(double, double, double)
7 define float @test_fmadd(float %a, float %b, float %c) {
8 ; CHECK-LABEL: test_fmadd:
9 ; CHECK-NOFAST-LABEL: test_fmadd:
10 %val = call float @llvm.fma.f32(float %a, float %b, float %c)
11 ; CHECK: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
12 ; CHECK-NOFAST: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
16 define float @test_fmsub(float %a, float %b, float %c) {
17 ; CHECK-LABEL: test_fmsub:
18 ; CHECK-NOFAST-LABEL: test_fmsub:
19 %nega = fsub float -0.0, %a
20 %val = call float @llvm.fma.f32(float %nega, float %b, float %c)
21 ; CHECK: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
22 ; CHECK-NOFAST: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
26 define float @test_fnmadd(float %a, float %b, float %c) {
27 ; CHECK-LABEL: test_fnmadd:
28 ; CHECK-NOFAST-LABEL: test_fnmadd:
29 %negc = fsub float -0.0, %c
30 %val = call float @llvm.fma.f32(float %a, float %b, float %negc)
31 ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
32 ; CHECK-NOFAST: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
36 define float @test_fnmsub(float %a, float %b, float %c) {
37 ; CHECK-LABEL: test_fnmsub:
38 ; CHECK-NOFAST-LABEL: test_fnmsub:
39 %nega = fsub float -0.0, %a
40 %negc = fsub float -0.0, %c
41 %val = call float @llvm.fma.f32(float %nega, float %b, float %negc)
42 ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
43 ; CHECK-NOFAST: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
47 define double @testd_fmadd(double %a, double %b, double %c) {
48 ; CHECK-LABEL: testd_fmadd:
49 ; CHECK-NOFAST-LABEL: testd_fmadd:
50 %val = call double @llvm.fma.f64(double %a, double %b, double %c)
51 ; CHECK: fmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
52 ; CHECK-NOFAST: fmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
56 define double @testd_fmsub(double %a, double %b, double %c) {
57 ; CHECK-LABEL: testd_fmsub:
58 ; CHECK-NOFAST-LABEL: testd_fmsub:
59 %nega = fsub double -0.0, %a
60 %val = call double @llvm.fma.f64(double %nega, double %b, double %c)
61 ; CHECK: fmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
62 ; CHECK-NOFAST: fmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
66 define double @testd_fnmadd(double %a, double %b, double %c) {
67 ; CHECK-LABEL: testd_fnmadd:
68 ; CHECK-NOFAST-LABEL: testd_fnmadd:
69 %negc = fsub double -0.0, %c
70 %val = call double @llvm.fma.f64(double %a, double %b, double %negc)
71 ; CHECK: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
72 ; CHECK-NOFAST: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
76 define double @testd_fnmsub(double %a, double %b, double %c) {
77 ; CHECK-LABEL: testd_fnmsub:
78 ; CHECK-NOFAST-LABEL: testd_fnmsub:
79 %nega = fsub double -0.0, %a
80 %negc = fsub double -0.0, %c
81 %val = call double @llvm.fma.f64(double %nega, double %b, double %negc)
82 ; CHECK: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
83 ; CHECK-NOFAST: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
87 define float @test_fmadd_unfused(float %a, float %b, float %c) {
88 ; CHECK-LABEL: test_fmadd_unfused:
89 ; CHECK-NOFAST-LABEL: test_fmadd_unfused:
90 %prod = fmul float %b, %c
91 %sum = fadd float %a, %prod
92 ; CHECK: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
93 ; CHECK-NOFAST-NOT: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
94 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
95 ; CHECK-NOFAST: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
99 define float @test_fmsub_unfused(float %a, float %b, float %c) {
100 ; CHECK-LABEL: test_fmsub_unfused:
101 ; CHECK-NOFAST-LABEL: test_fmsub_unfused:
102 %prod = fmul float %b, %c
103 %diff = fsub float %a, %prod
104 ; CHECK: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
105 ; CHECK-NOFAST-NOT: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
106 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
107 ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
111 define float @test_fnmadd_unfused(float %a, float %b, float %c) {
112 ; CHECK-LABEL: test_fnmadd_unfused:
113 ; CHECK-NOFAST-LABEL: test_fnmadd_unfused:
114 %nega = fsub float -0.0, %a
115 %prod = fmul float %b, %c
116 %sum = fadd float %nega, %prod
117 ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
118 ; CHECK-NOFAST-NOT: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
119 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
120 ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
124 define float @test_fnmsub_unfused(float %a, float %b, float %c) {
125 ; CHECK-LABEL: test_fnmsub_unfused:
126 ; CHECK-NOFAST-LABEL: test_fnmsub_unfused:
127 %nega = fsub float -0.0, %a
128 %prod = fmul float %b, %c
129 %diff = fsub float %nega, %prod
130 ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
131 ; CHECK-NOFAST-NOT: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
132 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
133 ; CHECK-NOFAST: fneg {{s[0-9]+}}, {{s[0-9]+}}
134 ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}