1 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
3 declare double @llvm.fma.f64(double %f1, double %f2, double %f3)
5 define double @f1(double %f1, double %f2, double %acc) {
7 ; CHECK: madbr %f4, %f0, %f2
10 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
14 define double @f2(double %f1, double *%ptr, double %acc) {
16 ; CHECK: madb %f2, %f0, 0(%r2)
19 %f2 = load double *%ptr
20 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
24 define double @f3(double %f1, double *%base, double %acc) {
26 ; CHECK: madb %f2, %f0, 4088(%r2)
29 %ptr = getelementptr double *%base, i64 511
30 %f2 = load double *%ptr
31 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
35 define double @f4(double %f1, double *%base, double %acc) {
36 ; The important thing here is that we don't generate an out-of-range
37 ; displacement. Other sequences besides this one would be OK.
40 ; CHECK: aghi %r2, 4096
41 ; CHECK: madb %f2, %f0, 0(%r2)
44 %ptr = getelementptr double *%base, i64 512
45 %f2 = load double *%ptr
46 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
50 define double @f5(double %f1, double *%base, double %acc) {
51 ; Here too the important thing is that we don't generate an out-of-range
52 ; displacement. Other sequences besides this one would be OK.
56 ; CHECK: madb %f2, %f0, 0(%r2)
59 %ptr = getelementptr double *%base, i64 -1
60 %f2 = load double *%ptr
61 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
65 define double @f6(double %f1, double *%base, i64 %index, double %acc) {
67 ; CHECK: sllg %r1, %r3, 3
68 ; CHECK: madb %f2, %f0, 0(%r1,%r2)
71 %ptr = getelementptr double *%base, i64 %index
72 %f2 = load double *%ptr
73 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
77 define double @f7(double %f1, double *%base, i64 %index, double %acc) {
79 ; CHECK: sllg %r1, %r3, 3
80 ; CHECK: madb %f2, %f0, 4088({{%r1,%r2|%r2,%r1}})
83 %index2 = add i64 %index, 511
84 %ptr = getelementptr double *%base, i64 %index2
85 %f2 = load double *%ptr
86 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
90 define double @f8(double %f1, double *%base, i64 %index, double %acc) {
92 ; CHECK: sllg %r1, %r3, 3
93 ; CHECK: lay %r1, 4096({{%r1,%r2|%r2,%r1}})
94 ; CHECK: madb %f2, %f0, 0(%r1)
97 %index2 = add i64 %index, 512
98 %ptr = getelementptr double *%base, i64 %index2
99 %f2 = load double *%ptr
100 %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)