xref: /llvm-project/llvm/test/CodeGen/PowerPC/ppc64-toc.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; RUN: llc -verify-machineinstrs -code-model=small < %s | FileCheck %s
2; Test with null streamer.
3; RUN: llc -O0 -filetype=null < %s
4target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
5target triple = "powerpc64-unknown-linux-gnu"
6
7@double_array = global [32 x double] zeroinitializer, align 8
8@number64 = global i64 10, align 8
9@internal_static_var.x = internal unnamed_addr global i64 0, align 8
10
11define i64 @access_int64(i64 %a) nounwind readonly {
12entry:
13; CHECK-LABEL: access_int64:
14; CHECK-NEXT: .p2align  3
15; CHECK-NEXT: .quad   .L[[BEGIN:.*]]
16; CHECK-NEXT: .quad   .TOC.@tocbase
17; CHECK-NEXT: .quad   0
18; CHECK-NEXT: .text
19; CHECK-NEXT: .L[[BEGIN]]:
20  %0 = load i64, ptr @number64, align 8
21; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc(2)
22  %cmp = icmp eq i64 %0, %a
23  %conv1 = zext i1 %cmp to i64
24  ret i64 %conv1
25}
26
27define i64 @internal_static_var(i64 %a) nounwind {
28entry:
29; CHECK-LABEL: internal_static_var:
30; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc(2)
31  %0 = load i64, ptr @internal_static_var.x, align 8
32  %cmp = icmp eq i64 %0, %a
33  %conv1 = zext i1 %cmp to i64
34  ret i64 %conv1
35}
36
37define i32 @access_double(double %a) nounwind readnone {
38entry:
39; CHECK-LABEL: access_double:
40; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc(2)
41  %cmp = fcmp oeq double %a, 2.000000e+00
42  %conv = zext i1 %cmp to i32
43  ret i32 %conv
44}
45
46
47define i32 @access_double_array(double %a, i32 %i) nounwind readonly {
48entry:
49; CHECK-LABEL: access_double_array:
50  %idxprom = sext i32 %i to i64
51  %arrayidx = getelementptr inbounds [32 x double], ptr @double_array, i64 0, i64 %idxprom
52  %0 = load double, ptr %arrayidx, align 8
53; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc(2)
54  %cmp = fcmp oeq double %0, %a
55  %conv = zext i1 %cmp to i32
56  ret i32 %conv
57}
58
59; Check the creation of 4 .tc entries:
60; * int64_t global 'number64'
61; * double constant 2.0
62; * double array 'double_array'
63; * static int64_t 'x' accessed within '@internal_static_var'
64; CHECK: .LC{{[0-9]+}}:
65; CHECK-NEXT: .tc {{[\._a-zA-Z0-9]+}}[TC],{{[\._a-zA-Z0-9]+}}
66; CHECK-NEXT: .LC{{[0-9]+}}:
67; CHECK-NEXT: .tc {{[\._a-zA-Z0-9]+}}[TC],{{[\._a-zA-Z0-9]+}}
68; CHECK-NEXT: .LC{{[0-9]+}}:
69; CHECK-NEXT: .tc {{[\._a-zA-Z0-9]+}}[TC],{{[\._a-zA-Z0-9]+}}
70; CHECK-NEXT: .LC{{[0-9]+}}:
71; CHECK-NEXT: .tc {{[\._a-zA-Z0-9]+}}[TC],{{[\._a-zA-Z0-9]+}}
72