mirror of
https://github.com/c64scene-ar/llvm-6502.git
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This adds support for LLVM to accept metadata that doesn't include a top level lexical block in a function. Specifically LLVM couldn't handle this when there were file changes relating to these blocks. I've updated a few test cases to ensure other functionality (such as inlining) isn't affected by this change, but haven't pervasively updated all the test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173592 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
3.2 KiB
LLVM
55 lines
3.2 KiB
LLVM
; RUN: llc -filetype=obj -O0 < %s > %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; CHECK: 2 0 1 0 is_stmt
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; IR generated from clang -g -emit-llvm with the following source:
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; list0.h:
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; int foo (int x) {
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; return ++x;
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; }
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; list0.c:
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; #include "list0.h"
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; int main() {
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; }
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define i32 @foo(i32 %x) nounwind uwtable {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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call void @llvm.dbg.declare(metadata !{i32* %x.addr}, metadata !14), !dbg !15
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%0 = load i32* %x.addr, align 4, !dbg !16
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%inc = add nsw i32 %0, 1, !dbg !16
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store i32 %inc, i32* %x.addr, align 4, !dbg !16
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ret i32 %inc, !dbg !16
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}
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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define i32 @main() nounwind uwtable {
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entry:
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ret i32 0, !dbg !17
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}
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"list0.c", metadata !"/usr/local/google/home/blaikie/dev/scratch/pr14566", metadata !"clang version 3.3 ", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/pr14566/list0.c] [DW_LANG_C99]
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!1 = metadata !{metadata !2}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4}
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!4 = metadata !{metadata !5, metadata !10}
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!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
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!6 = metadata !{i32 786473, metadata !"./list0.h", metadata !"/usr/local/google/home/blaikie/dev/scratch/pr14566", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{metadata !9, metadata !9}
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!9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = metadata !{i32 786478, i32 0, metadata !11, metadata !"main", metadata !"main", metadata !"", metadata !11, i32 2, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @main, null, null, metadata !1, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [main]
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!11 = metadata !{i32 786473, metadata !"list0.c", metadata !"/usr/local/google/home/blaikie/dev/scratch/pr14566", null} ; [ DW_TAG_file_type ]
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!12 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!13 = metadata !{metadata !9}
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!14 = metadata !{i32 786689, metadata !5, metadata !"x", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [x] [line 1]
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!15 = metadata !{i32 1, i32 0, metadata !5, null}
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!16 = metadata !{i32 2, i32 0, metadata !5, null}
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!17 = metadata !{i32 3, i32 0, metadata !18, null}
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!18 = metadata !{i32 786443, metadata !10, metadata !11} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/pr14566/list0.c]
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