[llvm] 0d43e16 - [DWARF5]: Added a left over test case from D73462

[Sourabh Singh Tomar via llvm-commits]

Author: Awanish Pandey
Date: 2020-04-07T10:32:56+05:30
New Revision: 0d43e1688a0a5e369716733d54a7591371225592

URL: https://github.com/llvm/llvm-project/commit/0d43e1688a0a5e369716733d54a7591371225592
DIFF: https://github.com/llvm/llvm-project/commit/0d43e1688a0a5e369716733d54a7591371225592.diff

LOG: [DWARF5]: Added a left over test case from D73462

Unfortunately this test case never made it to the trunk. This
was part of https://reviews.llvm.org/D73462 revision.

Added: 
    llvm/test/DebugInfo/X86/debug-info-template-parameter.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/DebugInfo/X86/debug-info-template-parameter.ll b/llvm/test/DebugInfo/X86/debug-info-template-parameter.ll
new file mode 100755
index 000000000000..cf4b65d00694
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/debug-info-template-parameter.ll
@@ -0,0 +1,90 @@
+; RUN: %llc_dwarf  %s -filetype=obj -o - | llvm-dwarfdump -v - | FileCheck %s
+
+; C++ source to regenerate:
+
+;template <typename T = char, int i = 3 >
+;class foo {
+;};
+;
+;int main() {
+; foo<int,6> f1;
+; foo<> f2;
+; return 0;
+;}
+
+; $ clang++ -O0 -gdwarf-5 -S -gdwarf-5 test.cpp 
+
+; CHECK: .debug_abbrev contents:
+; CHECK: DW_AT_default_value     DW_FORM_flag_present
+
+; CHECK: debug_info contents:
+
+; CHECK: DW_AT_name {{.*}} "foo<int, 6>"
+; CHECK: DW_AT_type {{.*}} "int"
+; CHECK-NEXT: DW_AT_name {{.*}} "T"
+; CHECK-NOT: DW_AT_default_value
+; CHECK: DW_AT_type {{.*}} "int"
+; CHECK-NEXT: DW_AT_name {{.*}} "i"
+; CHECK-NOT: DW_AT_default_value
+
+; CHECK: DW_AT_name {{.*}} "foo<char, 3>"
+; CHECK: DW_AT_type {{.*}} "char"
+; CHECK-NEXT: DW_AT_name {{.*}} "T"
+; CHECK_NEXT: DW_AT_default_value {{.*}} true
+; CHECK: DW_AT_type {{.*}} "int"
+; CHECK-NEXT: DW_AT_name {{.*}} "i"
+; CHECK_NEXT: DW_AT_default_value {{.*}} true
+
+; ModuleID = '/dir/test.cpp'
+source_filename = "test.cpp"
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%class.foo = type { i8 }
+%class.foo.0 = type { i8 }
+; Function Attrs: noinline norecurse nounwind optnone uwtable
+define dso_local i32 @main() #0 !dbg !7 {
+entry:
+  %retval = alloca i32, align 4
+  %f1 = alloca %class.foo, align 1
+  %f2 = alloca %class.foo.0, align 1
+  store i32 0, i32* %retval, align 4
+  call void @llvm.dbg.declare(metadata %class.foo* %f1, metadata !11, metadata !DIExpression()), !dbg !16
+  call void @llvm.dbg.declare(metadata %class.foo.0* %f2, metadata !17, metadata !DIExpression()), !dbg !23
+  ret i32 0, !dbg !24
+}
+; Function Attrs: nounwind readnone speculatable willreturn
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { noinline norecurse nounwind optnone uwtable }
+attributes #1 = { nounwind readnone speculatable willreturn }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+!llvm.ident = !{!6}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
+!1 = !DIFile(filename: "test.cpp", directory: "/dir/", checksumkind: CSK_MD5, checksum: "863d08522c2300490dea873efc4b2369")
+!2 = !{}
+!3 = !{i32 7, !"Dwarf Version", i32 5}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!6 = !{!"clang version 11.0.0"}
+!7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 29, type: !8, scopeLine: 29, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!8 = !DISubroutineType(types: !9)
+!9 = !{!10}
+!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!11 = !DILocalVariable(name: "f1", scope: !7, file: !1, line: 30, type: !12)
+!12 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo<int, 6>", file: !1, line: 26, size: 8, flags: DIFlagTypePassByValue, elements: !2, templateParams: !13, identifier: "_ZTS3fooIiLi6EE")
+!13 = !{!14, !15}
+!14 = !DITemplateTypeParameter(name: "T", type: !10)
+!15 = !DITemplateValueParameter(name: "i", type: !10, value: i32 6)
+!16 = !DILocation(line: 30, column: 14, scope: !7)
+!17 = !DILocalVariable(name: "f2", scope: !7, file: !1, line: 31, type: !18)
+!18 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo<char, 3>", file: !1, line: 26, size: 8, flags: DIFlagTypePassByValue, elements: !2, templateParams: !19, identifier: "_ZTS3fooIcLi3EE")
+!19 = !{!20, !22}
+!20 = !DITemplateTypeParameter(name: "T", type: !21, defaulted: true)
+!21 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
+!22 = !DITemplateValueParameter(name: "i", type: !10, defaulted: true, value: i32 3)
+!23 = !DILocation(line: 31, column: 9, scope: !7)
+!24 = !DILocation(line: 32, column: 3, scope: !7)