mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
f2eddd6694
Reviewers: dblaikie, samsonov, echristo, aprantl Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5466 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219099 91177308-0d34-0410-b5e6-96231b3b80d8
131 lines
6.2 KiB
LLVM
131 lines
6.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck -implicit-check-not=DW_TAG %s
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; Build from source:
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; $ clang++ a.cpp b.cpp -g -c -emit-llvm
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; $ llvm-link a.bc b.bc -o ab.bc
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; $ opt -inline ab.bc -o ab-opt.bc
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; $ cat a.cpp
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; extern int i;
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; int func(int);
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; int main() {
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; return func(i);
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; }
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; $ cat b.cpp
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; int __attribute__((always_inline)) func(int x) {
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; return x * 2;
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; }
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; Ensure that func inlined into main is described and references the abstract
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; definition in b.cpp's CU.
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_name {{.*}} "a.cpp"
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_type [DW_FORM_ref_addr] (0x00000000[[INT:.*]])
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_FUNC:........]] "_Z4funci"
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_VAR:........]])
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; Check the abstract definition is in the 'b.cpp' CU and doesn't contain any
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; concrete information (address range or variable location)
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_name {{.*}} "b.cpp"
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; CHECK: 0x[[ABS_FUNC]]: DW_TAG_subprogram
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; CHECK-NOT: DW_AT_low_pc
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; CHECK: 0x[[ABS_VAR]]: DW_TAG_formal_parameter
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; CHECK-NOT: DW_AT_location
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; CHECK: DW_AT_type [DW_FORM_ref4] {{.*}} {0x[[INT]]}
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; CHECK-NOT: DW_AT_location
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; CHECK: 0x[[INT]]: DW_TAG_base_type
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; CHECK: DW_AT_name {{.*}} "int"
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; Check the concrete out of line definition references the abstract and
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; provides the address range and variable location
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_low_pc
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; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_FUNC]]} "_Z4funci"
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_location
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; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_VAR]]}
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@i = external global i32
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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%x.addr.i = alloca i32, align 4
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%retval = alloca i32, align 4
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store i32 0, i32* %retval
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%0 = load i32* @i, align 4, !dbg !19
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%1 = bitcast i32* %x.addr.i to i8*
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call void @llvm.lifetime.start(i64 4, i8* %1)
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store i32 %0, i32* %x.addr.i, align 4
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call void @llvm.dbg.declare(metadata !{i32* %x.addr.i}, metadata !20, metadata !{metadata !"0x102"}), !dbg !21
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%2 = load i32* %x.addr.i, align 4, !dbg !22
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%mul.i = mul nsw i32 %2, 2, !dbg !22
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%3 = bitcast i32* %x.addr.i to i8*, !dbg !22
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call void @llvm.lifetime.end(i64 4, i8* %3), !dbg !22
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ret i32 %mul.i, !dbg !19
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}
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; Function Attrs: alwaysinline nounwind uwtable
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define i32 @_Z4funci(i32 %x) #1 {
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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 !20, metadata !{metadata !"0x102"}), !dbg !23
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%0 = load i32* %x.addr, align 4, !dbg !24
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%mul = mul nsw i32 %0, 2, !dbg !24
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ret i32 %mul, !dbg !24
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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
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declare void @llvm.lifetime.start(i64, i8* nocapture) #3
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #3
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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 = { alwaysinline 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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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0, !9}
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!llvm.module.flags = !{!16, !17}
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!llvm.ident = !{!18, !18}
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!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"a.cpp", metadata !"/tmp/dbginfo"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{metadata !"0x2e\00main\00main\00\003\000\001\000\006\00256\000\003", metadata !1, metadata !5, metadata !6, null, i32 ()* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [main]
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!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/a.cpp]
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!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{metadata !8}
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!8 = metadata !{metadata !"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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!9 = metadata !{metadata !"0x11\004\00clang version 3.5.0 \000\00\000\00\001", metadata !10, metadata !2, metadata !2, metadata !11, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus]
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!10 = metadata !{metadata !"b.cpp", metadata !"/tmp/dbginfo"}
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!11 = metadata !{metadata !12}
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!12 = metadata !{metadata !"0x2e\00func\00func\00_Z4funci\001\000\001\000\006\00256\000\001", metadata !10, metadata !13, metadata !14, null, i32 (i32)* @_Z4funci, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [func]
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!13 = metadata !{metadata !"0x29", metadata !10} ; [ DW_TAG_file_type ] [/tmp/dbginfo/b.cpp]
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!14 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!15 = metadata !{metadata !8, metadata !8}
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!16 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!17 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
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!18 = metadata !{metadata !"clang version 3.5.0 "}
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!19 = metadata !{i32 4, i32 0, metadata !4, null}
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!20 = metadata !{metadata !"0x101\00x\0016777217\000", metadata !12, metadata !13, metadata !8} ; [ DW_TAG_arg_variable ] [x] [line 1]
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!21 = metadata !{i32 1, i32 0, metadata !12, metadata !19}
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!22 = metadata !{i32 2, i32 0, metadata !12, metadata !19}
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!23 = metadata !{i32 1, i32 0, metadata !12, null}
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!24 = metadata !{i32 2, i32 0, metadata !12, null}
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