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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
57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
; RUN: llc < %s -O0 -mtriple x86_64-apple-darwin
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; <rdar://problem/11134152>
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define i32 @foo(i32* %x) nounwind uwtable ssp {
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entry:
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%x.addr = alloca i32*, align 8
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%saved_stack = alloca i8*
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%cleanup.dest.slot = alloca i32
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store i32* %x, i32** %x.addr, align 8
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call void @llvm.dbg.declare(metadata i32** %x.addr, metadata !14, metadata !{!"0x102"}), !dbg !15
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%0 = load i32** %x.addr, align 8, !dbg !16
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%1 = load i32* %0, align 4, !dbg !16
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%2 = zext i32 %1 to i64, !dbg !16
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%3 = call i8* @llvm.stacksave(), !dbg !16
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store i8* %3, i8** %saved_stack, !dbg !16
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%vla = alloca i8, i64 %2, align 16, !dbg !16
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call void @llvm.dbg.declare(metadata i8* %vla, metadata !18, metadata !{!"0x102"}), !dbg !23
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store i32 1, i32* %cleanup.dest.slot
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%4 = load i8** %saved_stack, !dbg !24
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call void @llvm.stackrestore(i8* %4), !dbg !24
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ret i32 0, !dbg !25
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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declare i8* @llvm.stacksave() nounwind
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declare void @llvm.stackrestore(i8*) nounwind
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!27}
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!0 = !{!"0x11\0012\00clang version 3.1 (trunk 153698)\000\00\000\00\000", !26, !1, !1, !3, !1, null} ; [ DW_TAG_compile_unit ]
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!1 = !{}
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!3 = !{!5}
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!5 = !{!"0x2e\00foo\00foo\00\006\000\001\000\006\00256\000\000", !26, !0, !7, null, i32 (i32*)* @foo, null, null, null} ; [ DW_TAG_subprogram ]
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!6 = !{!"0x29", !26} ; [ DW_TAG_file_type ]
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!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 ]
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!8 = !{!9, !10}
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!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
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!10 = !{!"0xf\00\000\0064\0064\000\000", null, null, !11} ; [ DW_TAG_pointer_type ]
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!11 = !{!"0x26\00\000\000\000\000\000", null, null, !9} ; [ DW_TAG_const_type ]
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!14 = !{!"0x101\00x\0016777221\000", !5, !6, !10} ; [ DW_TAG_arg_variable ]
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!15 = !MDLocation(line: 5, column: 21, scope: !5)
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!16 = !MDLocation(line: 7, column: 13, scope: !17)
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!17 = !{!"0xb\006\001\000", !26, !5} ; [ DW_TAG_lexical_block ]
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!18 = !{!"0x100\00a\007\000", !17, !6, !19} ; [ DW_TAG_auto_variable ]
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!19 = !{!"0x1\00\000\000\008\000\000", null, null, !20, !21, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 0, align 8, offset 0] [from char]
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!20 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
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!21 = !{!22}
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!22 = !{!"0x21\000\00-1"} ; [ DW_TAG_subrange_type ]
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!23 = !MDLocation(line: 7, column: 8, scope: !17)
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!24 = !MDLocation(line: 9, column: 1, scope: !17)
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!25 = !MDLocation(line: 8, column: 3, scope: !17)
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!26 = !{!"20020104-2.c", !"/Volumes/Sandbox/llvm"}
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!27 = !{i32 1, !"Debug Info Version", i32 2}
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