xref: /llvm-project/llvm/test/DebugInfo/RISCV/relax-debug-frame.ll (revision 97982a8c605fac7c86d02e641a6cd7898b3ca343)
1; RUN: llc -filetype=obj -mtriple=riscv32 -mattr=+relax %s -o %t.o
2; RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=RELAX %s
3; RUN: llvm-dwarfdump --debug-frame %t.o 2>&1 \
4; RUN:     | FileCheck -check-prefix=RELAX-DWARFDUMP %s
5;
6; RELAX:      Section ({{.*}}) .rela.eh_frame {
7; REALX-NEXT:   0x1C R_RISCV_32_PCREL .L0 0x0
8; REALX-NEXT:   0x30 R_RISCV_32_PCREL .L0 0x0
9; REALX-NEXT:   0x48 R_RISCV_32_PCREL .L0 0x0
10; REALX-NEXT:   0x4C R_RISCV_ADD32 .L0 0x0
11; REALX-NEXT:   0x4C R_RISCV_SUB32 .L0 0x0
12; REALX-NEXT:   0x57 R_RISCV_SET6 .L0 0x0
13; RELAX-NEXT-EMPTY:
14
15; RELAX-DWARFDUMP-NOT: error: failed to compute relocation
16; RELAX-DWARFDUMP:      FDE
17; RELAX-DWARFDUMP-NEXT: Format:
18; RELAX-DWARFDUMP:      DW_CFA_advance_loc: 4
19; RELAX-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset: +16
20; RELAX-DWARFDUMP-NEXT: DW_CFA_advance_loc: 8
21; RELAX-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset: +0
22; RELAX-DWARFDUMP-NEXT: DW_CFA_nop:
23; RELAX-DWARFDUMP-EMPTY:
24
25; RELAX-DWARFDUMP:      FDE
26; RELAX-DWARFDUMP:      Format:
27; RELAX-DWARFDUMP-NEXT: DW_CFA_advance_loc: 4
28; RELAX-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset: +16
29; RELAX-DWARFDUMP-NEXT: DW_CFA_advance_loc: 4
30; RELAX-DWARFDUMP-NEXT: DW_CFA_offset: X1 -4
31; RELAX-DWARFDUMP-NEXT: DW_CFA_advance_loc: 28
32; RELAX-DWARFDUMP-NEXT: DW_CFA_restore: X1
33; RELAX-DWARFDUMP-NEXT: DW_CFA_advance_loc: 4
34; RELAX-DWARFDUMP-NEXT: DW_CFA_def_cfa_offset: +0
35; RELAX-DWARFDUMP-EMPTY:
36source_filename = "frame.c"
37
38; Function Attrs: noinline nounwind optnone
39define i32 @init() {
40entry:
41  ret i32 0
42}
43
44; Function Attrs: noinline nounwind optnone
45define i32 @foo(i32 signext %value) {
46entry:
47  %value.addr = alloca i32, align 4
48  store i32 %value, ptr %value.addr, align 4
49  %0 = load i32, ptr %value.addr, align 4
50  ret i32 %0
51}
52
53; Function Attrs: noinline nounwind optnone
54define i32 @bar() {
55entry:
56  %result = alloca i32, align 4
57  %v = alloca i32, align 4
58  %call = call i32 @init()
59  store i32 %call, ptr %v, align 4
60  %0 = load i32, ptr %v, align 4
61  %call1 = call i32 @foo(i32 signext %0)
62  store i32 %call1, ptr %result, align 4
63  %1 = load i32, ptr %result, align 4
64  ret i32 %1
65}
66
67!llvm.dbg.cu = !{!0}
68!llvm.module.flags = !{!3, !4, !5}
69
70!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
71!1 = !DIFile(filename: "line.c", directory: "./")
72!2 = !{}
73!3 = !{i32 2, !"Dwarf Version", i32 4}
74!4 = !{i32 2, !"Debug Info Version", i32 3}
75!5 = !{i32 1, !"wchar_size", i32 4}
76
77