1; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj 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 14define i32 @foo(i32 %i) #0 { 15entry: 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 23if.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 29if.end: ; preds = %entry 30 store i32 0, i32* %retval, !dbg !12 31 br label %return, !dbg !12 32 33return: ; preds = %if.end, %if.then 34 %2 = load i32* %retval, !dbg !13 35 ret i32 %2, !dbg !13 36} 37 38attributes #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 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 = !MDLocation(line: 2, scope: !11) 55!11 = !{!"0xb\002\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [./discriminator.c] 56!12 = !MDLocation(line: 3, scope: !4) 57!13 = !MDLocation(line: 4, scope: !4) 58!14 = !MDLocation(line: 2, scope: !15) 59!15 = !{!"0xb\0042", !1, !4} ; [ DW_TAG_lexical_block ] [./discriminator.c] 60 61; CHECK: Address Line Column File ISA Discriminator Flags 62; CHECK: ------------------ ------ ------ ------ --- ------------- ------------- 63; CHECK: 0x0000000000000011 2 0 1 0 42 {{$}} 64