diff options
Diffstat (limited to 'test/Instrumentation/SanitizerCoverage/coverage-dbg.ll')
-rw-r--r-- | test/Instrumentation/SanitizerCoverage/coverage-dbg.ll | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/Instrumentation/SanitizerCoverage/coverage-dbg.ll b/test/Instrumentation/SanitizerCoverage/coverage-dbg.ll new file mode 100644 index 0000000..eea93b8 --- /dev/null +++ b/test/Instrumentation/SanitizerCoverage/coverage-dbg.ll @@ -0,0 +1,67 @@ +; Test that coverage instrumentation does not lose debug location. + +; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s + +; C++ source: +; 1: struct A { +; 2: int f(); +; 3: int x; +; 4: }; +; 5: +; 6: int A::f() { +; 7: return x; +; 8: } +; clang++ ../1.cc -O3 -g -S -emit-llvm -fno-strict-aliasing +; and add sanitize_address to @_ZN1A1fEv + +; Test that __sanitizer_cov call has !dbg pointing to the opening { of A::f(). +; CHECK: call void @__sanitizer_cov(), !dbg [[A:!.*]] +; CHECK: [[A]] = metadata !{i32 6, i32 0, metadata !{{.*}}, null} + + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +%struct.A = type { i32 } + +; Function Attrs: nounwind readonly uwtable +define i32 @_ZN1A1fEv(%struct.A* nocapture readonly %this) #0 align 2 { +entry: + tail call void @llvm.dbg.value(metadata !{%struct.A* %this}, i64 0, metadata !15, metadata !{metadata !"0x102"}), !dbg !20 + %x = getelementptr inbounds %struct.A* %this, i64 0, i32 0, !dbg !21 + %0 = load i32* %x, align 4, !dbg !21 + ret i32 %0, !dbg !21 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 + +attributes #0 = { sanitize_address nounwind readonly uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!17, !18} +!llvm.ident = !{!19} + +!0 = metadata !{metadata !"0x11\004\00clang version 3.5.0 (210251)\001\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !12, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/code/llvm/build0/../1.cc] [DW_LANG_C_plus_plus] +!1 = metadata !{metadata !"../1.cc", metadata !"/code/llvm/build0"} +!2 = metadata !{} +!3 = metadata !{metadata !4} +!4 = metadata !{metadata !"0x13\00A\001\0032\0032\000\000\000", metadata !1, null, null, metadata !5, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ] +!5 = metadata !{metadata !6, metadata !8} +!6 = metadata !{metadata !"0xd\00x\003\0032\0032\000\000", metadata !1, metadata !"_ZTS1A", metadata !7} ; [ DW_TAG_member ] [x] [line 3, size 32, align 32, offset 0] [from int] +!7 = 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] +!8 = metadata !{metadata !"0x2e\00f\00f\00_ZN1A1fEv\002\000\000\000\006\00256\001\002", metadata !1, metadata !"_ZTS1A", metadata !9, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 2] [f] +!9 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!10 = metadata !{metadata !7, metadata !11} +!11 = metadata !{metadata !"0xf\00\000\0064\0064\000\001088", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] +!12 = metadata !{metadata !13} +!13 = metadata !{metadata !"0x2e\00f\00f\00_ZN1A1fEv\006\000\001\000\006\00256\001\006", metadata !1, metadata !"_ZTS1A", metadata !9, null, i32 (%struct.A*)* @_ZN1A1fEv, null, metadata !8, metadata !14} ; [ DW_TAG_subprogram ] [line 6] [def] [f] +!14 = metadata !{metadata !15} +!15 = metadata !{metadata !"0x101\00this\0016777216\001088", metadata !13, null, metadata !16} ; [ DW_TAG_arg_variable ] [this] [line 0] +!16 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A] +!17 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} +!18 = metadata !{i32 2, metadata !"Debug Info Version", i32 2} +!19 = metadata !{metadata !"clang version 3.5.0 (210251)"} +!20 = metadata !{i32 0, i32 0, metadata !13, null} +!21 = metadata !{i32 7, i32 0, metadata !13, null} |