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4a5feedcaa
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.
llvm-svn: 226048
77 lines
4.1 KiB
LLVM
77 lines
4.1 KiB
LLVM
; RUN: llc < %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
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target triple = "thumbv7-apple-darwin3.0.0-iphoneos"
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@length = common global i32 0, align 4 ; <i32*> [#uses=1]
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define void @x0(i8* nocapture %buf, i32 %nbytes) nounwind optsize {
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entry:
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tail call void @llvm.dbg.value(metadata i8* %buf, i64 0, metadata !0, metadata !{!"0x102"}), !dbg !15
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tail call void @llvm.dbg.value(metadata i32 %nbytes, i64 0, metadata !8, metadata !{!"0x102"}), !dbg !16
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%tmp = load i32* @length, !dbg !17 ; <i32> [#uses=3]
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%cmp = icmp eq i32 %tmp, -1, !dbg !17 ; <i1> [#uses=1]
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%cmp.not = xor i1 %cmp, true ; <i1> [#uses=1]
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%cmp3 = icmp ult i32 %tmp, %nbytes, !dbg !17 ; <i1> [#uses=1]
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%or.cond = and i1 %cmp.not, %cmp3 ; <i1> [#uses=1]
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tail call void @llvm.dbg.value(metadata i32 %tmp, i64 0, metadata !8, metadata !{!"0x102"}), !dbg !17
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%nbytes.addr.0 = select i1 %or.cond, i32 %tmp, i32 %nbytes ; <i32> [#uses=1]
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !10, metadata !{!"0x102"}), !dbg !19
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br label %while.cond, !dbg !20
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while.cond: ; preds = %while.body, %entry
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%0 = phi i32 [ 0, %entry ], [ %inc, %while.body ] ; <i32> [#uses=3]
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%buf.addr.0 = getelementptr i8* %buf, i32 %0 ; <i8*> [#uses=1]
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%cmp7 = icmp ult i32 %0, %nbytes.addr.0, !dbg !20 ; <i1> [#uses=1]
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br i1 %cmp7, label %land.rhs, label %while.end, !dbg !20
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land.rhs: ; preds = %while.cond
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%call = tail call i32 @x1() nounwind optsize, !dbg !20 ; <i32> [#uses=2]
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%cmp9 = icmp eq i32 %call, -1, !dbg !20 ; <i1> [#uses=1]
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br i1 %cmp9, label %while.end, label %while.body, !dbg !20
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while.body: ; preds = %land.rhs
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%conv = trunc i32 %call to i8, !dbg !21 ; <i8> [#uses=1]
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store i8 %conv, i8* %buf.addr.0, !dbg !21
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%inc = add i32 %0, 1, !dbg !23 ; <i32> [#uses=1]
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br label %while.cond, !dbg !24
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while.end: ; preds = %land.rhs, %while.cond
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ret void, !dbg !25
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}
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declare i32 @x1() optsize
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.lv.fn = !{!0, !8, !10, !12}
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!llvm.dbg.gv = !{!14}
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!0 = !{!"0x101\00buf\004\000", !1, !2, !6} ; [ DW_TAG_arg_variable ]
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!1 = !{!"0x2e\00x0\00x0\00x0\005\000\001\000\006\000\000\000", !26, null, !4, null, null, null, null, null} ; [ DW_TAG_subprogram ]
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!2 = !{!"0x29", !26} ; [ DW_TAG_file_type ]
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!3 = !{!"0x11\0012\00clang 2.0\001\00\00\00\00", !26, null, null, null, null, null} ; [ DW_TAG_compile_unit ]
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!4 = !{!"0x15\00\000\000\000\000\000\000", !26, !2, null, !5, null} ; [ DW_TAG_subroutine_type ]
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!5 = !{null}
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!6 = !{!"0xf\00\000\0032\0032\000\000", !26, !2, !7} ; [ DW_TAG_pointer_type ]
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!7 = !{!"0x24\00unsigned char\000\008\008\000\000\008", !26, !2} ; [ DW_TAG_base_type ]
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!8 = !{!"0x101\00nbytes\004\000", !1, !2, !9} ; [ DW_TAG_arg_variable ]
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!9 = !{!"0x24\00unsigned long\000\0032\0032\000\000\007", !26, !2} ; [ DW_TAG_base_type ]
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!10 = !{!"0x100\00nread\006\000", !11, !2, !9} ; [ DW_TAG_auto_variable ]
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!11 = !{!"0xb\005\001\000", !26, !1} ; [ DW_TAG_lexical_block ]
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!12 = !{!"0x100\00c\007\000", !11, !2, !13} ; [ DW_TAG_auto_variable ]
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!13 = !{!"0x24\00int\000\0032\0032\000\000\005", !26, !2} ; [ DW_TAG_base_type ]
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!14 = !{!"0x34\00length\00length\00length\001\000\001", !2, !2, !13, i32* @length} ; [ DW_TAG_variable ]
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!15 = !MDLocation(line: 4, column: 24, scope: !1)
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!16 = !MDLocation(line: 4, column: 43, scope: !1)
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!17 = !MDLocation(line: 9, column: 2, scope: !11)
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!18 = !{i32 0}
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!19 = !MDLocation(line: 10, column: 2, scope: !11)
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!20 = !MDLocation(line: 11, column: 2, scope: !11)
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!21 = !MDLocation(line: 12, column: 3, scope: !22)
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!22 = !{!"0xb\0011\0045\000", !26, !11} ; [ DW_TAG_lexical_block ]
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!23 = !MDLocation(line: 13, column: 3, scope: !22)
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!24 = !MDLocation(line: 14, column: 2, scope: !22)
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!25 = !MDLocation(line: 15, column: 1, scope: !11)
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!26 = !{!"t.c", !"/private/tmp"}
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