| ; REQUIRES: object-emission |
| ; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t |
| ; RUN: llvm-dwarfdump %t | FileCheck %s |
| |
| ; Check that we emit ranges for this CU since we have a function with and |
| ; without debug info. |
| ; Note: This depends upon the order of output in the .o file. Currently it's |
| ; in order of the output to make sure that the CU has multiple ranges since |
| ; there's a function in the middle. If they were together then it would have |
| ; a single range and no DW_AT_ranges. |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_ranges |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_TAG_subprogram |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @b(i32 %c) #0 { |
| entry: |
| %c.addr = alloca i32, align 4 |
| store i32 %c, i32* %c.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !{!"0x102"}), !dbg !14 |
| %0 = load i32* %c.addr, align 4, !dbg !14 |
| %add = add nsw i32 %0, 1, !dbg !14 |
| ret i32 %add, !dbg !14 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @a(i32 %b) #0 { |
| entry: |
| %b.addr = alloca i32, align 4 |
| store i32 %b, i32* %b.addr, align 4 |
| %0 = load i32* %b.addr, align 4 |
| %add = add nsw i32 %0, 1 |
| ret i32 %add |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @d(i32 %e) #0 { |
| entry: |
| %e.addr = alloca i32, align 4 |
| store i32 %e, i32* %e.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !{!"0x102"}), !dbg !16 |
| %0 = load i32* %e.addr, align 4, !dbg !16 |
| %add = add nsw i32 %0, 1, !dbg !16 |
| ret i32 %add, !dbg !16 |
| } |
| |
| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.ident = !{!0, !0} |
| !llvm.dbg.cu = !{!1} |
| !llvm.module.flags = !{!11, !12} |
| |
| !0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"} |
| !1 = !{!"0x11\0012\00clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)\000\00\000\00\001", !2, !3, !3, !4, !3, !3} ; [ DW_TAG_compile_unit ] |
| !2 = !{!"b.c", !"/usr/local/google/home/echristo"} |
| !3 = !{} |
| !4 = !{!5, !10} |
| !5 = !{!"0x2e\00b\00b\00\001\000\001\000\006\00256\000\001", !2, !6, !7, null, i32 (i32)* @b, null, null, !3} ; [ DW_TAG_subprogram ] [line 1] [def] [b] |
| !6 = !{!"0x29", !2} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/b.c] |
| !7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !8 = !{!9, !9} |
| !9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] |
| !10 = !{!"0x2e\00d\00d\00\003\000\001\000\006\00256\000\003", !2, !6, !7, null, i32 (i32)* @d, null, null, !3} ; [ DW_TAG_subprogram ] [line 3] [def] [d] |
| !11 = !{i32 2, !"Dwarf Version", i32 4} |
| !12 = !{i32 1, !"Debug Info Version", i32 2} |
| !13 = !{!"0x101\00c\0016777217\000", !5, !6, !9} ; [ DW_TAG_arg_variable ] [c] [line 1] |
| !14 = !MDLocation(line: 1, scope: !5) |
| !15 = !{!"0x101\00e\0016777219\000", !10, !6, !9} ; [ DW_TAG_arg_variable ] [e] [line 3] |
| !16 = !MDLocation(line: 3, scope: !10) |