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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
74 lines
3.5 KiB
LLVM
74 lines
3.5 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux-gnu -fast-isel=false -filetype=obj < %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; RUN: llc -mtriple=x86_64-linux-gnu -fast-isel=false -filetype=asm < %s -o - | FileCheck --check-prefix=ASM %s
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; Generated from:
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; clang-tot -c -S -emit-llvm -g inline-seldag-test.c
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; inline int __attribute__((always_inline)) f(int y) {
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; return y ? 4 : 7;
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; }
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; void func() {
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; volatile int x;
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; x = f(x);
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; }
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f"
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; Make sure the condition test is attributed to the inline function, not the
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; location of the test's operands within the caller.
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; ASM: # inline-seldag-test.c:2:0
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; ASM-NOT: .loc
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; ASM: testl
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; Function Attrs: nounwind uwtable
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define void @func() #0 {
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entry:
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%y.addr.i = alloca i32, align 4
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%x = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %x, metadata !15, metadata !{!"0x102"}), !dbg !17
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%0 = load volatile i32* %x, align 4, !dbg !18
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store i32 %0, i32* %y.addr.i, align 4
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call void @llvm.dbg.declare(metadata i32* %y.addr.i, metadata !19, metadata !{!"0x102"}), !dbg !20
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%1 = load i32* %y.addr.i, align 4, !dbg !21
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%tobool.i = icmp ne i32 %1, 0, !dbg !21
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%cond.i = select i1 %tobool.i, i32 4, i32 7, !dbg !21
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store volatile i32 %cond.i, i32* %x, align 4, !dbg !18
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ret void, !dbg !22
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { 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 #1 = { 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\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/inline-seldag-test.c] [DW_LANG_C99]
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!1 = !{!"inline-seldag-test.c", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4, !8}
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!4 = !{!"0x2e\00func\00func\00\004\000\001\000\006\000\000\004", !1, !5, !6, null, void ()* @func, null, null, !2} ; [ DW_TAG_subprogram ] [line 4] [def] [func]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/inline-seldag-test.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, 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\00f\00f\00\001\000\001\000\006\00256\000\001", !1, !5, !9, null, null, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [f]
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!9 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!10 = !{!11, !11}
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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 1, !"Debug Info Version", i32 2}
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!14 = !{!"clang version 3.5.0 "}
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!15 = !{!"0x100\00x\005\000", !4, !5, !16} ; [ DW_TAG_auto_variable ] [x] [line 5]
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!16 = !{!"0x35\00\000\000\000\000\000", null, null, !11} ; [ DW_TAG_volatile_type ] [line 0, size 0, align 0, offset 0] [from int]
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!17 = !MDLocation(line: 5, scope: !4)
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!18 = !MDLocation(line: 6, column: 7, scope: !4)
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!19 = !{!"0x101\00y\0016777217\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [y] [line 1]
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!20 = !MDLocation(line: 1, scope: !8, inlinedAt: !18)
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!21 = !MDLocation(line: 2, scope: !8, inlinedAt: !18)
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!22 = !MDLocation(line: 7, scope: !4)
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