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37ac8d3622
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
76 lines
3.2 KiB
LLVM
76 lines
3.2 KiB
LLVM
; RUN: llc -filetype=obj -O0 < %s -mtriple mips-unknown-linux-gnu | llvm-dwarfdump - | FileCheck %s
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; PR19815
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; Generated using clang -target mips-linux-gnu -g test.c -S -o - -flto|opt -sroa -S
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; test.c:
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;
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; int foo(int x) {
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; if (x)
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; return 0;
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; return 1;
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; }
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; CHECK: Address Line Column File ISA Discriminator Flags
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; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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; CHECK: 0x0000000000000000 1 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000000 1 0 1 0 0 is_stmt prologue_end
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; CHECK: 0x0000000000000008 2 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000020 3 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000030 4 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000040 5 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000050 5 0 1 0 0 is_stmt end_sequence
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target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
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target triple = "mips--linux-gnu"
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; Function Attrs: nounwind
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define i32 @foo(i32 %x) #0 {
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entry:
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call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !12, metadata !{!"0x102"}), !dbg !13
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%tobool = icmp ne i32 %x, 0, !dbg !14
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br i1 %tobool, label %if.then, label %if.end, !dbg !14
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if.then: ; preds = %entry
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br label %return, !dbg !16
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if.end: ; preds = %entry
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br label %return, !dbg !17
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return: ; preds = %if.end, %if.then
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%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
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ret i32 %retval.0, !dbg !18
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = !{!"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/test.c] [DW_LANG_C99]
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!1 = !{!"test.c", !"/tmp"}
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!2 = !{}
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!3 = !{!4}
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!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]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/test.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{!8, !8}
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!8 = !{!"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]
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!9 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 2, !"Debug Info Version", i32 2}
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!11 = !{!"clang version 3.5.0"}
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!12 = !{!"0x101\00x\0016777217\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [x] [line 1]
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!13 = !MDLocation(line: 1, scope: !4)
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!14 = !MDLocation(line: 2, scope: !15)
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!15 = !{!"0xb\002\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [/tmp/test.c]
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!16 = !MDLocation(line: 3, scope: !15)
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!17 = !MDLocation(line: 4, scope: !4)
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!18 = !MDLocation(line: 5, scope: !4)
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