-/// We support coverage versions 4.2, 4.7 and 4.8.
+/// We support coverage versions 3.4, 4.7 and 4.8.
+/// 3.4 redesigns the format and changed .da to .gcda
/// 4.7 enables cfg_checksum.
/// 4.8 (default, compatible with gcov 7) emits the exit block the second.
-// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-version='402*' %s -o - | \
-// RUN: FileCheck --check-prefixes=CHECK,402 %s
+// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-version='304*' %s -o - | \
+// RUN: FileCheck --check-prefixes=CHECK,304 %s
// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-version='407*' %s -o - | \
// RUN: FileCheck --check-prefixes=CHECK,407 %s
// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | \
// CHECK-SAME: [%0 zeroinitializer, %0 { i32 1, i32 0, i32 0 }]
// CHECK: @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %2]
-/// 0x3430322a '4' '0' '2' '*'
-// 402-SAME: i32 875573802
+/// 0x3330342a '3' '0' '4' '*'
+// 304-SAME: i32 858797098
/// 0x3430372a '4' '0' '7' '*'
// 407-SAME: i32 875575082
/// 0x3430382a '4' '0' '8' '*'
-; RUN: rm -rf %t && mkdir -p %t
-; RUN: echo '!16 = !{!"%/t/global-ctor.ll", !0}' > %t/1
-; RUN: cat %s %t/1 > %t/2
-; RUN: opt -insert-gcov-profiling -disable-output < %t/2
-; RUN: not grep '_GLOBAL__sub_I_global-ctor' %t/global-ctor.gcno
-; RUN: rm %t/global-ctor.gcno
-
-; RUN: opt -passes=insert-gcov-profiling -disable-output < %t/2
-; RUN: not grep '_GLOBAL__sub_I_global-ctor' %t/global-ctor.gcno
-; RUN: rm %t/global-ctor.gcno
-
-@x = global i32 0, align 4
-@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_global-ctor.ll, i8* null }]
-
-; Function Attrs: nounwind
-define internal void @__cxx_global_var_init() #0 section ".text.startup" !dbg !4 {
+;; For a global constructor, _GLOBAL__sub_I_ only has artificial lines.
+;; Test that we don't instrument those functions.
+; RUN: opt -S -insert-gcov-profiling < %s | FileCheck %s
+; RUN: opt -S -passes=insert-gcov-profiling < %s | FileCheck %s
+
+@var = dso_local global i32 0, align 4
+@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_a.cc, i8* null }]
+
+define internal void @__cxx_global_var_init() section ".text.startup" !dbg !7 {
+; CHECK: define internal void @__cxx_global_var_init()
+; CHECK: @__llvm_gcov_ctr
+; CHECK: call i32 @_Z3foov()
entry:
- br label %0
-
-; <label>:0 ; preds = %entry
- %call = call i32 @_Z1fv(), !dbg !13
- store i32 %call, i32* @x, align 4, !dbg !13
- ret void, !dbg !13
+ %call = call i32 @_Z3foov(), !dbg !9
+ store i32 %call, i32* @var, align 4, !dbg !9
+ ret void, !dbg !9
}
-declare i32 @_Z1fv() #1
+declare i32 @_Z3foov()
-; Function Attrs: nounwind
-define internal void @_GLOBAL__sub_I_global-ctor.ll() #0 section ".text.startup" {
+;; Artificial lines only. Don't instrument.
+define internal void @_GLOBAL__sub_I_a.cc() section ".text.startup" !dbg !10 {
+; CHECK: define internal void @_GLOBAL__sub_I_a.cc()
+; CHECK-NOT: @__llvm_gcov_ctr
+; CHECK: call void @__cxx_global_var_init()
entry:
- br label %0
-
-; <label>:0 ; preds = %entry
- call void @__cxx_global_var_init(), !dbg !14
- ret void, !dbg !14
+ call void @__cxx_global_var_init(), !dbg !11
+ ret void
}
-attributes #0 = { nounwind }
-attributes #1 = { "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-
!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!10, !11}
-!llvm.gcov = !{!16}
-!llvm.ident = !{!12}
+!llvm.module.flags = !{!3, !4}
-!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 210217)", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
-!1 = !DIFile(filename: "<stdin>", directory: "/home/nlewycky")
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, emissionKind: LineTablesOnly)
+!1 = !DIFile(filename: "a.cc", directory: "/")
!2 = !{}
-!4 = distinct !DISubprogram(name: "__cxx_global_var_init", line: 2, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !5, scope: !6, type: !7, retainedNodes: !2)
-!5 = !DIFile(filename: "global-ctor.ll", directory: "/home/nlewycky")
-!6 = !DIFile(filename: "global-ctor.ll", directory: "/home/nlewycky")
-!7 = !DISubroutineType(types: !2)
-!8 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_global-ctor.ll", isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !0, file: !1, scope: !9, type: !7, retainedNodes: !2)
-!9 = !DIFile(filename: "<stdin>", directory: "/home/nlewycky")
-!10 = !{i32 2, !"Dwarf Version", i32 4}
-!11 = !{i32 2, !"Debug Info Version", i32 3}
-!12 = !{!"clang version 3.5.0 (trunk 210217)"}
-!13 = !DILocation(line: 2, scope: !4)
-!14 = !DILocation(line: 0, scope: !15)
-!15 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !8)
+!3 = !{i32 7, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!7 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!8 = !DISubroutineType(types: !2)
+!9 = !DILocation(line: 2, column: 11, scope: !7)
+!10 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_a.cc", scope: !1, file: !1, type: !8, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!11 = !DILocation(line: 0, scope: !10)