| ; REQUIRES: object-emission |
| |
| ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck -implicit-check-not=DW_TAG %s |
| ; RUN: %llc_dwarf -dwarf-accel-tables=Enable -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck --check-prefix=CHECK-ACCEL --check-prefix=CHECK %s |
| |
| ; Build from source: |
| ; $ clang++ a.cpp b.cpp -g -c -emit-llvm |
| ; $ llvm-link a.bc b.bc -o ab.bc |
| ; $ opt -inline ab.bc -o ab-opt.bc |
| ; $ cat a.cpp |
| ; extern int i; |
| ; int func(int); |
| ; int main() { |
| ; return func(i); |
| ; } |
| ; $ cat b.cpp |
| ; int __attribute__((always_inline)) func(int x) { |
| ; return x * 2; |
| ; } |
| |
| ; Ensure that func inlined into main is described and references the abstract |
| ; definition in b.cpp's CU. |
| |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_name {{.*}} "a.cpp" |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_AT_type [DW_FORM_ref_addr] (0x00000000[[INT:.*]]) |
| ; CHECK: 0x[[INLINED:[0-9a-f]*]]:{{.*}}DW_TAG_inlined_subroutine |
| ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_FUNC:........]] "_Z4funci" |
| ; CHECK: DW_TAG_formal_parameter |
| ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_VAR:........]] "x" |
| |
| ; Check the abstract definition is in the 'b.cpp' CU and doesn't contain any |
| ; concrete information (address range or variable location) |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_name {{.*}} "b.cpp" |
| ; CHECK: 0x[[ABS_FUNC]]: DW_TAG_subprogram |
| ; CHECK-NOT: DW_AT_low_pc |
| ; CHECK: 0x[[ABS_VAR]]: DW_TAG_formal_parameter |
| ; CHECK-NOT: DW_AT_location |
| ; CHECK: DW_AT_type [DW_FORM_ref4] {{.*}} {0x[[INT]]} |
| ; CHECK-NOT: DW_AT_location |
| |
| ; CHECK: 0x[[INT]]: DW_TAG_base_type |
| ; CHECK: DW_AT_name {{.*}} "int" |
| |
| ; Check the concrete out of line definition references the abstract and |
| ; provides the address range and variable location |
| ; CHECK: 0x[[FUNC:[0-9a-f]*]]{{.*}}DW_TAG_subprogram |
| ; CHECK: DW_AT_low_pc |
| ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_FUNC]]} "_Z4funci" |
| ; CHECK: DW_TAG_formal_parameter |
| ; CHECK: DW_AT_location |
| ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_VAR]]} "x" |
| |
| ; Check that both the inline and the non out of line version of func are |
| ; correctly referenced in the accelerator table. Before r221837, the one |
| ; in the second compilation unit had a wrong offset |
| ; CHECK-ACCEL: .apple_names contents: |
| ; CHECK-ACCEL: Name{{.*}}"func" |
| ; CHECK-ACCEL-NOT: Name |
| ; CHECK-ACCEL: Atom[0]{{.*}}[[INLINED]] |
| ; CHECK-ACCEL-NOT: Name |
| ; CHECK-ACCEL: Atom[0]{{.*}}[[FUNC]] |
| |
| @i = external global i32 |
| |
| ; Function Attrs: uwtable |
| define i32 @main() #0 { |
| entry: |
| %x.addr.i = alloca i32, align 4 |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval |
| %0 = load i32* @i, align 4, !dbg !19 |
| %1 = bitcast i32* %x.addr.i to i8* |
| call void @llvm.lifetime.start(i64 4, i8* %1) |
| store i32 %0, i32* %x.addr.i, align 4 |
| call void @llvm.dbg.declare(metadata i32* %x.addr.i, metadata !20, metadata !{!"0x102"}), !dbg !21 |
| %2 = load i32* %x.addr.i, align 4, !dbg !22 |
| %mul.i = mul nsw i32 %2, 2, !dbg !22 |
| %3 = bitcast i32* %x.addr.i to i8*, !dbg !22 |
| call void @llvm.lifetime.end(i64 4, i8* %3), !dbg !22 |
| ret i32 %mul.i, !dbg !19 |
| } |
| |
| ; Function Attrs: alwaysinline nounwind uwtable |
| define i32 @_Z4funci(i32 %x) #1 { |
| entry: |
| %x.addr = alloca i32, align 4 |
| store i32 %x, i32* %x.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !20, metadata !{!"0x102"}), !dbg !23 |
| %0 = load i32* %x.addr, align 4, !dbg !24 |
| %mul = mul nsw i32 %0, 2, !dbg !24 |
| ret i32 %mul, !dbg !24 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.start(i64, i8* nocapture) #3 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.end(i64, i8* nocapture) #3 |
| |
| 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" } |
| 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" } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0, !9} |
| !llvm.module.flags = !{!16, !17} |
| !llvm.ident = !{!18, !18} |
| |
| !0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus] |
| !1 = !{!"a.cpp", !"/tmp/dbginfo"} |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !{!"0x2e\00main\00main\00\003\000\001\000\006\00256\000\003", !1, !5, !6, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [main] |
| !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/a.cpp] |
| !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 ] |
| !7 = !{!8} |
| !8 = !{!"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] |
| !9 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !10, !2, !2, !11, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus] |
| !10 = !{!"b.cpp", !"/tmp/dbginfo"} |
| !11 = !{!12} |
| !12 = !{!"0x2e\00func\00func\00_Z4funci\001\000\001\000\006\00256\000\001", !10, !13, !14, null, i32 (i32)* @_Z4funci, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [func] |
| !13 = !{!"0x29", !10} ; [ DW_TAG_file_type ] [/tmp/dbginfo/b.cpp] |
| !14 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !15 = !{!8, !8} |
| !16 = !{i32 2, !"Dwarf Version", i32 4} |
| !17 = !{i32 2, !"Debug Info Version", i32 2} |
| !18 = !{!"clang version 3.5.0 "} |
| !19 = !MDLocation(line: 4, scope: !4) |
| !20 = !{!"0x101\00x\0016777217\000", !12, !13, !8} ; [ DW_TAG_arg_variable ] [x] [line 1] |
| !21 = !MDLocation(line: 1, scope: !12, inlinedAt: !19) |
| !22 = !MDLocation(line: 2, scope: !12, inlinedAt: !19) |
| !23 = !MDLocation(line: 1, scope: !12) |
| !24 = !MDLocation(line: 2, scope: !12) |
| |