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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
71 lines
3.3 KiB
LLVM
71 lines
3.3 KiB
LLVM
; RUN: opt -deadargelim -S < %s | FileCheck %s
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; PR14016
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; Built with clang (then manually running -mem2reg with opt) from the following source:
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; static void f1(int, ...) {
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; }
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;
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; void f2() {
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; f1(1);
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; }
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; Test both varargs removal and removal of a traditional dead arg together, to
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; test both the basic functionality, and a particular wrinkle involving updating
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; the function->debug info mapping on update to ensure it's accurate when used
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; again for the next removal.
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; CHECK: void ()* @_ZL2f1iz, {{.*}} ; [ DW_TAG_subprogram ] {{.*}} [f1]
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; Check that debug info metadata for subprograms stores pointers to
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; updated LLVM functions.
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; Function Attrs: uwtable
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define void @_Z2f2v() #0 {
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entry:
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call void (i32, ...)* @_ZL2f1iz(i32 1), !dbg !15
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ret void, !dbg !16
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}
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; Function Attrs: nounwind uwtable
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define internal void @_ZL2f1iz(i32, ...) #1 {
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entry:
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call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !17, metadata !18), !dbg !19
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ret void, !dbg !20
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { 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" }
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attributes #1 = { 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" }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12, !13}
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!llvm.ident = !{!14}
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!0 = !{!"0x11\004\00clang version 3.6.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/dbg.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"dbg.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4, !8}
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!4 = !{!"0x2e\00f2\00f2\00_Z2f2v\004\000\001\000\000\00256\000\004", !1, !5, !6, null, void ()* @_Z2f2v, null, null, !2} ; [ DW_TAG_subprogram ] [line 4] [def] [f2]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/dbg.cpp]
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!6 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{null}
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!8 = !{!"0x2e\00f1\00f1\00_ZL2f1iz\001\001\001\000\000\00256\000\001", !1, !5, !9, null, void (i32, ...)* @_ZL2f1iz, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [local] [def] [f1]
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!9 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!10 = !{null, !11, null}
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!11 = !{!"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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!12 = !{i32 2, !"Dwarf Version", i32 4}
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!13 = !{i32 2, !"Debug Info Version", i32 2}
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!14 = !{!"clang version 3.6.0 "}
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!15 = !MDLocation(line: 5, column: 3, scope: !4)
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!16 = !MDLocation(line: 6, column: 1, scope: !4)
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!17 = !{!"0x101\00\0016777217\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [line 1]
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!18 = !{!"0x102"} ; [ DW_TAG_expression ]
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!19 = !MDLocation(line: 1, column: 19, scope: !8)
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!20 = !MDLocation(line: 2, column: 1, scope: !8)
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