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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
3.5 KiB
LLVM
76 lines
3.5 KiB
LLVM
; RUN: llvm-link %s %S/Inputs/replaced-function-matches-first-subprogram.ll -S | FileCheck %s
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; Generated from C++ source:
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;
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; // repro/t.h
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; template <class T> struct Class {
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; int foo() { return 0; }
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; };
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; // repro/d1/t1.cpp
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; #include "t.h"
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; int foo() { return Class<int>().foo(); }
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; // repro/d2/t2.cpp
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; #include "t.h"
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; template struct Class<int>;
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%struct.Class = type { i8 }
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define i32 @_Z3foov() {
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entry:
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%tmp = alloca %struct.Class, align 1
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%call = call i32 @_ZN5ClassIiE3fooEv(%struct.Class* %tmp), !dbg !14
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ret i32 %call, !dbg !14
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}
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; CHECK: define weak_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this){{.*}}{
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; CHECK-NOT: }
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; CHECK: !dbg ![[LOC:[0-9]+]]
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define linkonce_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 {
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entry:
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%this.addr = alloca %struct.Class*, align 8
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store %struct.Class* %this, %struct.Class** %this.addr, align 8
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%this1 = load %struct.Class** %this.addr
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ret i32 0, !dbg !15
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}
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; CHECK: !llvm.dbg.cu = !{![[CU1:[0-9]+]], ![[CU2:[0-9]+]]}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11, !12}
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!llvm.ident = !{!13}
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; Extract out the list of subprograms from each compile unit.
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; CHECK-DAG: ![[CU1]] = !{!"0x11{{[^"]+}}", {{[^,]+}}, {{[^,]+}}, {{[^,]+}}, ![[SPs1:[0-9]+]],
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; CHECK-DAG: ![[CU2]] = !{!"0x11{{[^"]+}}", {{[^,]+}}, {{[^,]+}}, {{[^,]+}}, ![[SPs2:[0-9]+]],
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!0 = !{!"0x11\004\00clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)\000\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/t1.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"t1.cpp", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1"}
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!2 = !{}
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; Extract out each compile unit's single subprogram. The replaced subprogram
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; should be dropped by the first compile unit.
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; CHECK-DAG: ![[SPs1]] = !{![[SP1:[0-9]+]]}
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; CHECK-DAG: ![[SPs2]] = !{![[SP2:[0-9]+]]}
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!3 = !{!4, !7}
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!4 = !{!"0x2e\00foo\00foo\00\002\000\001\000\000\00256\000\002", !1, !5, !6, null, i32 ()* @_Z3foov, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [foo]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/t1.cpp]
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!6 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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; Extract out the file from the replaced subprogram. Confirm that each
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; subprogram is pointing at the correct function.
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; CHECK-DAG: ![[SP1]] = !{!"0x2e{{[^"]+}}", {{.*}}, i32 ()* @_Z3foov,
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; CHECK-DAG: ![[SP2]] = !{!"0x2e{{[^"]+}}", ![[FILE:[0-9]+]], {{.*}}, i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv,
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!7 = !{!"0x2e\00foo\00foo\00\002\000\001\000\000\00256\000\002", !8, !9, !6, null, i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [foo]
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; The new subprogram should be pointing at the new directory.
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; CHECK-DAG: ![[FILE]] = !{!"../t.h", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2"}
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!8 = !{!"../t.h", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1"}
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!9 = !{!"0x29", !8} ; [ DW_TAG_file_type ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/../t.h]
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!10 = !{i32 2, !"Dwarf Version", i32 2}
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!11 = !{i32 2, !"Debug Info Version", i32 2}
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!12 = !{i32 1, !"PIC Level", i32 2}
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!13 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"}
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!14 = !MDLocation(line: 2, column: 20, scope: !4)
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; The same subprogram should be pointed to by inside the !dbg reference.
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; CHECK: ![[LOC]] = !MDLocation(line: 2, column: 15, scope: ![[SP2]])
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!15 = !MDLocation(line: 2, column: 15, scope: !7)
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