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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
28 lines
1.1 KiB
LLVM
28 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | grep " !dbg " | count 4
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define i32 @foo() nounwind ssp {
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entry:
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%retval = alloca i32 ; <i32*> [#uses=2]
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call void @llvm.dbg.func.start(metadata !0)
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store i32 42, i32* %retval, !dbg !3
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br label %0, !dbg !3
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; <label>:0 ; preds = %entry
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call void @llvm.dbg.region.end(metadata !0)
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%1 = load i32* %retval, !dbg !3 ; <i32> [#uses=1]
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ret i32 %1, !dbg !3
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}
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declare void @llvm.dbg.func.start(metadata) nounwind readnone
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declare void @llvm.dbg.region.end(metadata) nounwind readnone
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!llvm.module.flags = !{!6}
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!0 = !{!"0x2e\00foo\00foo\00foo\001\000\001\000\006\000\000\000", i32 0, !1, !2, null, null, null, null} ; [ DW_TAG_subprogram ]
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!1 = !{!"0x11\0012\00clang 1.0\001\00\000\00\000", !4, !5, !5, !4, null, null} ; [ DW_TAG_compile_unit ]
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!2 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !1} ; [ DW_TAG_base_type ]
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!3 = !MDLocation(line: 1, column: 13, scope: !1, inlinedAt: !1)
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!4 = !{!"foo.c", !"/tmp"}
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!5 = !{i32 0}
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!6 = !{i32 1, !"Debug Info Version", i32 2}
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