xref: /llvm-project/llvm/test/CodeGen/PowerPC/pcrel-tls-general-dynamic.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
2; RUN:   --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s --check-prefix=CHECK-S
3; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
4; RUN:   --relocation-model=pic -mcpu=pwr10 -ppc-asm-full-reg-names --filetype=obj -o %t.o < %s
5; RUN: llvm-objdump --mcpu=pwr10 -dr %t.o |FileCheck %s --check-prefix=CHECK-O
6; RUN: llvm-readelf -s %t.o | FileCheck %s --check-prefix=CHECK-SYM
7
8; These test cases are to ensure that when using pc relative memory operations
9; ABI correct code and relocations are produced for General Dynamic TLS Model.
10
11@x = external thread_local global i32, align 4
12
13define nonnull ptr @GeneralDynamicAddressLoad() {
14  ; CHECK-S-LABEL: GeneralDynamicAddressLoad:
15  ; CHECK-S:         paddi r3, 0, x@got@tlsgd@pcrel, 1
16  ; CHECK-S-NEXT:    bl __tls_get_addr@notoc(x@tlsgd)
17  ; CHECK-S-NEXT:    addi r1, r1, 32
18  ; CHECK-S-NEXT:    ld r0, 16(r1)
19  ; CHECK-S-NEXT:    mtlr r0
20  ; CHECK-S-NEXT:    blr
21  ; CHECK-O-LABEL: <GeneralDynamicAddressLoad>:
22  ; CHECK-O:         c: 00 00 10 06 00 00 60 38       paddi 3, 0, 0, 1
23  ; CHECK-O-NEXT:    000000000000000c:  R_PPC64_GOT_TLSGD_PCREL34    x
24  ; CHECK-O-NEXT:    14: 01 00 00 48                   bl 0x14
25  ; CHECK-O-NEXT:    0000000000000014:  R_PPC64_TLSGD        x
26  ; CHECK-O-NEXT:    0000000000000014:  R_PPC64_REL24_NOTOC  __tls_get_addr
27  entry:
28    ret ptr @x
29}
30
31define i32 @GeneralDynamicValueLoad() {
32  ; CHECK-S-LABEL: GeneralDynamicValueLoad:
33  ; CHECK-S:         paddi r3, 0, x@got@tlsgd@pcrel, 1
34  ; CHECK-S-NEXT:    bl __tls_get_addr@notoc(x@tlsgd)
35  ; CHECK-S-NEXT:    lwz r3, 0(r3)
36  ; CHECK-S-NEXT:    addi r1, r1, 32
37  ; CHECK-S-NEXT:    ld r0, 16(r1)
38  ; CHECK-S-NEXT:    mtlr r0
39  ; CHECK-S-NEXT:    blr
40  ; CHECK-O-LABEL: <GeneralDynamicValueLoad>:
41  ; CHECK-O:         4c: 00 00 10 06 00 00 60 38       paddi 3, 0, 0, 1
42  ; CHECK-O-NEXT:    000000000000004c:  R_PPC64_GOT_TLSGD_PCREL34    x
43  ; CHECK-O-NEXT:    54: 01 00 00 48                   bl 0x54
44  ; CHECK-O-NEXT:    0000000000000054:  R_PPC64_TLSGD        x
45  ; CHECK-O-NEXT:    0000000000000054:  R_PPC64_REL24_NOTOC  __tls_get_addr
46  ; CHECK-O-NEXT:    58: 00 00 63 80                   lwz 3, 0(3)
47
48  ; CHECK-SYM-LABEL: Symbol table '.symtab' contains 7 entries
49  ; CHECK-SYM:       0000000000000000     0 TLS     GLOBAL DEFAULT  UND x
50  entry:
51    %0 = load i32, ptr @x, align 4
52    ret i32 %0
53}
54