xref: /llvm-project/llvm/test/CodeGen/PowerPC/float-load-store-pair.ll (revision eb7d16ea25649909373e324e6ebf36774cabdbfa)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs < %s -mcpu=pwr9 -mtriple=powerpc64le-ibm-linux| FileCheck %s
3
4; This file verifies that for a given floating point load / store pair,
5; if the load value isn't used by any other operations,
6; then consider transforming the pair to integer load / store operations
7
8@a1 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
9@a2 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
10@a3 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
11@a4 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
12@a5 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
13@a6 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
14@a7 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
15@a8 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
16@a9 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
17@a10 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
18@a11 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
19@a12 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
20@a13 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
21@a14 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
22@a15 = dso_local local_unnamed_addr global double 0.000000e+00, align 8
23@a16 = dso_local local_unnamed_addr global ppc_fp128 0xM00000000000000000000000000000000, align 16
24@a17 = dso_local local_unnamed_addr global fp128 0xL00000000000000000000000000000000, align 16
25
26; Because this test function is trying to pass float argument by stack,
27; so the fpr is only used to load/store float argument
28define dso_local signext i32 @test() nounwind {
29; CHECK-LABEL: test:
30; CHECK:       # %bb.0:
31; CHECK-NEXT:    mflr 0
32; CHECK-NEXT:    stdu 1, -192(1)
33; CHECK-NEXT:    addis 3, 2, a1@toc@ha
34; CHECK-NEXT:    std 0, 208(1)
35; CHECK-NEXT:    addis 5, 2, a16@toc@ha
36; CHECK-NEXT:    addis 6, 2, a17@toc@ha
37; CHECK-NEXT:    addis 4, 2, a15@toc@ha
38; CHECK-NEXT:    lfd 1, a1@toc@l(3)
39; CHECK-NEXT:    addis 3, 2, a2@toc@ha
40; CHECK-NEXT:    addi 5, 5, a16@toc@l
41; CHECK-NEXT:    addi 6, 6, a17@toc@l
42; CHECK-NEXT:    ld 4, a15@toc@l(4)
43; CHECK-NEXT:    lfd 2, a2@toc@l(3)
44; CHECK-NEXT:    addis 3, 2, a3@toc@ha
45; CHECK-NEXT:    lxv 34, 0(6)
46; CHECK-NEXT:    lxv 0, 0(5)
47; CHECK-NEXT:    li 5, 152
48; CHECK-NEXT:    lfd 3, a3@toc@l(3)
49; CHECK-NEXT:    addis 3, 2, a4@toc@ha
50; CHECK-NEXT:    lfd 4, a4@toc@l(3)
51; CHECK-NEXT:    addis 3, 2, a5@toc@ha
52; CHECK-NEXT:    lfd 5, a5@toc@l(3)
53; CHECK-NEXT:    addis 3, 2, a6@toc@ha
54; CHECK-NEXT:    lfd 6, a6@toc@l(3)
55; CHECK-NEXT:    addis 3, 2, a7@toc@ha
56; CHECK-NEXT:    lfd 7, a7@toc@l(3)
57; CHECK-NEXT:    addis 3, 2, a8@toc@ha
58; CHECK-NEXT:    lfd 8, a8@toc@l(3)
59; CHECK-NEXT:    addis 3, 2, a9@toc@ha
60; CHECK-NEXT:    lfd 9, a9@toc@l(3)
61; CHECK-NEXT:    addis 3, 2, a10@toc@ha
62; CHECK-NEXT:    lfd 10, a10@toc@l(3)
63; CHECK-NEXT:    addis 3, 2, a11@toc@ha
64; CHECK-NEXT:    lfd 11, a11@toc@l(3)
65; CHECK-NEXT:    addis 3, 2, a12@toc@ha
66; CHECK-NEXT:    lfd 12, a12@toc@l(3)
67; CHECK-NEXT:    addis 3, 2, a13@toc@ha
68; CHECK-NEXT:    lfd 13, a13@toc@l(3)
69; CHECK-NEXT:    addis 3, 2, a14@toc@ha
70; CHECK-NEXT:    ld 3, a14@toc@l(3)
71; CHECK-NEXT:    stxvx 0, 1, 5
72; CHECK-NEXT:    std 4, 144(1)
73; CHECK-NEXT:    std 3, 136(1)
74; CHECK-NEXT:    bl _Z3fooddddddddddddddd
75; CHECK-NEXT:    nop
76; CHECK-NEXT:    li 3, 0
77; CHECK-NEXT:    addi 1, 1, 192
78; CHECK-NEXT:    ld 0, 16(1)
79; CHECK-NEXT:    mtlr 0
80; CHECK-NEXT:    blr
81%1 = load double, ptr @a1, align 8
82%2 = load double, ptr @a2, align 8
83%3 = load double, ptr @a3, align 8
84%4 = load double, ptr @a4, align 8
85%5 = load double, ptr @a5, align 8
86%6 = load double, ptr @a6, align 8
87%7 = load double, ptr @a7, align 8
88%8 = load double, ptr @a8, align 8
89%9 = load double, ptr @a9, align 8
90%10 = load double, ptr @a10, align 8
91%11 = load double, ptr @a11, align 8
92%12 = load double, ptr @a12, align 8
93%13 = load double, ptr @a13, align 8
94%14 = load double, ptr @a14, align 8
95%15 = load double, ptr @a15, align 8
96%16 = load ppc_fp128, ptr @a16, align 16
97%17 = load fp128, ptr @a17, align 16
98tail call void @_Z3fooddddddddddddddd(double %1, double %2, double %3, double %4, double %5, double %6, double %7, double %8, double %9, double %10, double %11, double %12, double %13, double %14, double %15, ppc_fp128 %16, fp128 %17)
99ret i32 0
100}
101
102declare void @_Z3fooddddddddddddddd(double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, ppc_fp128, fp128)
103