xref: /llvm-project/llvm/test/CodeGen/PowerPC/toc-float.ll (revision 53c37f300dd1b450671f2aee4cc649c380adb5ad)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 < %s | FileCheck -check-prefix=CHECK-P9 %s
3; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck -check-prefix=CHECK-P8 %s
4
5; As the constant could be represented as float, a float is
6; loaded from constant pool.
7define double @doubleConstant1() {
8; CHECK-P9-LABEL: doubleConstant1:
9; CHECK-P9:       # %bb.0:
10; CHECK-P9-NEXT:    vspltisw 2, 14
11; CHECK-P9-NEXT:    xvcvsxwdp 1, 34
12; CHECK-P9-NEXT:    blr
13;
14; CHECK-P8-LABEL: doubleConstant1:
15; CHECK-P8:       # %bb.0:
16; CHECK-P8-NEXT:    vspltisw 2, 14
17; CHECK-P8-NEXT:    xvcvsxwdp 1, 34
18; CHECK-P8-NEXT:    blr
19  ret double 1.400000e+01
20}
21
22; As the constant couldn't be represented as float, a double is
23; loaded from constant pool.
24define double @doubleConstant2() {
25; CHECK-P9-LABEL: doubleConstant2:
26; CHECK-P9:       # %bb.0:
27; CHECK-P9-NEXT:    addis 3, 2, .LCPI1_0@toc@ha
28; CHECK-P9-NEXT:    lfd 1, .LCPI1_0@toc@l(3)
29; CHECK-P9-NEXT:    blr
30;
31; CHECK-P8-LABEL: doubleConstant2:
32; CHECK-P8:       # %bb.0:
33; CHECK-P8-NEXT:    addis 3, 2, .LCPI1_0@toc@ha
34; CHECK-P8-NEXT:    lfd 1, .LCPI1_0@toc@l(3)
35; CHECK-P8-NEXT:    blr
36  ret double 2.408904e+01
37}
38
39@FArr = hidden local_unnamed_addr global [10 x float] zeroinitializer, align 4
40
41define float @floatConstantArray() local_unnamed_addr  {
42; CHECK-P9-LABEL: floatConstantArray:
43; CHECK-P9:       # %bb.0:
44; CHECK-P9-NEXT:    addis 3, 2, FArr@toc@ha+12
45; CHECK-P9-NEXT:    lfs 0, FArr@toc@l+12(3)
46; CHECK-P9-NEXT:    addis 3, 2, .LCPI2_0@toc@ha
47; CHECK-P9-NEXT:    lfs 1, .LCPI2_0@toc@l(3)
48; CHECK-P9-NEXT:    xsaddsp 1, 0, 1
49; CHECK-P9-NEXT:    blr
50;
51; CHECK-P8-LABEL: floatConstantArray:
52; CHECK-P8:       # %bb.0:
53; CHECK-P8-NEXT:    addis 3, 2, FArr@toc@ha+12
54; CHECK-P8-NEXT:    lfs 0, FArr@toc@l+12(3)
55; CHECK-P8-NEXT:    addis 3, 2, .LCPI2_0@toc@ha
56; CHECK-P8-NEXT:    lfs 1, .LCPI2_0@toc@l(3)
57; CHECK-P8-NEXT:    xsaddsp 1, 0, 1
58; CHECK-P8-NEXT:    blr
59  %1 = load float, ptr getelementptr inbounds ([10 x float], ptr @FArr, i64 0, i64 3), align 4
60  %2 = fadd float %1, 0x400B333340000000
61  ret float %2
62}
63
64define float @floatConstant() {
65; CHECK-P9-LABEL: floatConstant:
66; CHECK-P9:       # %bb.0:
67; CHECK-P9-NEXT:    addis 3, 2, .LCPI3_0@toc@ha
68; CHECK-P9-NEXT:    lfs 1, .LCPI3_0@toc@l(3)
69; CHECK-P9-NEXT:    blr
70;
71; CHECK-P8-LABEL: floatConstant:
72; CHECK-P8:       # %bb.0:
73; CHECK-P8-NEXT:    addis 3, 2, .LCPI3_0@toc@ha
74; CHECK-P8-NEXT:    lfs 1, .LCPI3_0@toc@l(3)
75; CHECK-P8-NEXT:    blr
76  ret float 0x400470A3E0000000
77}
78
79; llvm put the hidden globals into the TOC table.
80; TODO - do some analysis and decide which globals could be put into TOC.
81@d = hidden local_unnamed_addr global [200 x double] zeroinitializer, align 8
82
83define double @doubleConstantArray()  {
84; CHECK-P9-LABEL: doubleConstantArray:
85; CHECK-P9:       # %bb.0:
86; CHECK-P9-NEXT:    addis 3, 2, d@toc@ha+24
87; CHECK-P9-NEXT:    lfd 0, d@toc@l+24(3)
88; CHECK-P9-NEXT:    addis 3, 2, .LCPI4_0@toc@ha
89; CHECK-P9-NEXT:    lfd 1, .LCPI4_0@toc@l(3)
90; CHECK-P9-NEXT:    xsadddp 1, 0, 1
91; CHECK-P9-NEXT:    blr
92;
93; CHECK-P8-LABEL: doubleConstantArray:
94; CHECK-P8:       # %bb.0:
95; CHECK-P8-NEXT:    addis 3, 2, d@toc@ha+24
96; CHECK-P8-NEXT:    lfd 0, d@toc@l+24(3)
97; CHECK-P8-NEXT:    addis 3, 2, .LCPI4_0@toc@ha
98; CHECK-P8-NEXT:    lfd 1, .LCPI4_0@toc@l(3)
99; CHECK-P8-NEXT:    xsadddp 1, 0, 1
100; CHECK-P8-NEXT:    blr
101  %1 = load double, ptr getelementptr inbounds ([200 x double], ptr @d, i64 0, i64 3), align 8
102  %2 = fadd double %1, 6.880000e+00
103  ret double %2
104}
105
106@arr = hidden local_unnamed_addr global [20000 x double] zeroinitializer, align 8
107
108; Access an element with an offset that doesn't fit in the displacement field of LFD.
109define double @doubleLargeConstantArray()  {
110; CHECK-P9-LABEL: doubleLargeConstantArray:
111; CHECK-P9:       # %bb.0:
112; CHECK-P9-NEXT:    addis 3, 2, arr@toc@ha
113; CHECK-P9-NEXT:    li 4, 0
114; CHECK-P9-NEXT:    addi 3, 3, arr@toc@l
115; CHECK-P9-NEXT:    ori 4, 4, 32768
116; CHECK-P9-NEXT:    lfdx 0, 3, 4
117; CHECK-P9-NEXT:    addis 3, 2, .LCPI5_0@toc@ha
118; CHECK-P9-NEXT:    lfd 1, .LCPI5_0@toc@l(3)
119; CHECK-P9-NEXT:    xsadddp 1, 0, 1
120; CHECK-P9-NEXT:    blr
121;
122; CHECK-P8-LABEL: doubleLargeConstantArray:
123; CHECK-P8:       # %bb.0:
124; CHECK-P8-NEXT:    addis 3, 2, arr@toc@ha
125; CHECK-P8-NEXT:    li 4, 0
126; CHECK-P8-NEXT:    addi 3, 3, arr@toc@l
127; CHECK-P8-NEXT:    ori 4, 4, 32768
128; CHECK-P8-NEXT:    lfdx 0, 3, 4
129; CHECK-P8-NEXT:    addis 3, 2, .LCPI5_0@toc@ha
130; CHECK-P8-NEXT:    lfd 1, .LCPI5_0@toc@l(3)
131; CHECK-P8-NEXT:    xsadddp 1, 0, 1
132; CHECK-P8-NEXT:    blr
133  %1 = load double, ptr getelementptr inbounds ([20000 x double], ptr @arr, i64 0, i64 4096), align 8
134  %2 = fadd double %1, 6.880000e+00
135  ret double %2
136}
137
138@vec_arr = global [10 x <4 x i32>] zeroinitializer, align 16
139
140define <4 x i32> @vectorArray() #0 {
141; CHECK-P9-LABEL: vectorArray:
142; CHECK-P9:       # %bb.0: # %entry
143; CHECK-P9-NEXT:    addis 3, 2, .LC0@toc@ha
144; CHECK-P9-NEXT:    ld 3, .LC0@toc@l(3)
145; CHECK-P9-NEXT:    lxv 34, 32(3)
146; CHECK-P9-NEXT:    blr
147;
148; CHECK-P8-LABEL: vectorArray:
149; CHECK-P8:       # %bb.0: # %entry
150; CHECK-P8-NEXT:    addis 3, 2, .LC0@toc@ha
151; CHECK-P8-NEXT:    ld 3, .LC0@toc@l(3)
152; CHECK-P8-NEXT:    addi 3, 3, 32
153; CHECK-P8-NEXT:    lxvd2x 0, 0, 3
154; CHECK-P8-NEXT:    xxswapd 34, 0
155; CHECK-P8-NEXT:    blr
156entry:
157  %0 = load <4 x i32>, ptr getelementptr inbounds ([10 x <4 x i32>], ptr @vec_arr, i64 0, i64 2), align 16
158  ret <4 x i32> %0
159}
160