| Benjamin Kramer | 049784e | 2014-03-15 23:01:29 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj |
| Diego Novillo | 282450d | 2014-03-03 18:53:17 +0000 | [diff] [blame] | 2 | ; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s |
| 3 | ; |
| 4 | ; Generated from: |
| 5 | ; |
| 6 | ; int foo(int i) { |
| 7 | ; if (i < 10) return i - 1; |
| 8 | ; return 0; |
| 9 | ; } |
| 10 | ; |
| 11 | ; Manually generated debug nodes !14 and !15 to incorporate an |
| 12 | ; arbitrary discriminator with value 42. |
| 13 | |
| 14 | define i32 @foo(i32 %i) #0 { |
| 15 | entry: |
| 16 | %retval = alloca i32, align 4 |
| 17 | %i.addr = alloca i32, align 4 |
| 18 | store i32 %i, i32* %i.addr, align 4 |
| 19 | %0 = load i32* %i.addr, align 4, !dbg !10 |
| 20 | %cmp = icmp slt i32 %0, 10, !dbg !10 |
| 21 | br i1 %cmp, label %if.then, label %if.end, !dbg !10 |
| 22 | |
| 23 | if.then: ; preds = %entry |
| 24 | %1 = load i32* %i.addr, align 4, !dbg !14 |
| 25 | %sub = sub nsw i32 %1, 1, !dbg !14 |
| 26 | store i32 %sub, i32* %retval, !dbg !14 |
| 27 | br label %return, !dbg !14 |
| 28 | |
| 29 | if.end: ; preds = %entry |
| 30 | store i32 0, i32* %retval, !dbg !12 |
| 31 | br label %return, !dbg !12 |
| 32 | |
| 33 | return: ; preds = %if.end, %if.then |
| 34 | %2 = load i32* %retval, !dbg !13 |
| 35 | ret i32 %2, !dbg !13 |
| 36 | } |
| 37 | |
| 38 | 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" } |
| 39 | |
| 40 | !llvm.dbg.cu = !{!0} |
| 41 | !llvm.module.flags = !{!7, !8} |
| 42 | !llvm.ident = !{!9} |
| 43 | |
| Duncan P. N. Exon Smith | be7ea19 | 2014-12-15 19:07:53 +0000 | [diff] [blame^] | 44 | !0 = !{!"0x11\0012\00clang version 3.5 \000\00\000\00\000", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [./discriminator.c] [DW_LANG_C99] |
| 45 | !1 = !{!"discriminator.c", !"."} |
| 46 | !2 = !{} |
| 47 | !3 = !{!4} |
| 48 | !4 = !{!"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, i32 (i32)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo] |
| 49 | !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [./discriminator.c] |
| 50 | !6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| 51 | !7 = !{i32 2, !"Dwarf Version", i32 4} |
| 52 | !8 = !{i32 1, !"Debug Info Version", i32 2} |
| 53 | !9 = !{!"clang version 3.5 "} |
| 54 | !10 = !{i32 2, i32 0, !11, null} |
| 55 | !11 = !{!"0xb\002\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [./discriminator.c] |
| 56 | !12 = !{i32 3, i32 0, !4, null} |
| 57 | !13 = !{i32 4, i32 0, !4, null} |
| 58 | !14 = !{i32 2, i32 0, !15, null} |
| 59 | !15 = !{!"0xb\0042", !1, !4} ; [ DW_TAG_lexical_block ] [./discriminator.c] |
| Diego Novillo | 282450d | 2014-03-03 18:53:17 +0000 | [diff] [blame] | 60 | |
| 61 | ; CHECK: Address Line Column File ISA Discriminator Flags |
| 62 | ; CHECK: ------------------ ------ ------ ------ --- ------------- ------------- |
| 63 | ; CHECK: 0x0000000000000011 2 0 1 0 42 is_stmt |