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[Clang] Fix template alias default DWARF version #89594

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Merged
merged 2 commits into from
Apr 22, 2024
Merged

[Clang] Fix template alias default DWARF version #89594

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95c86b4
[Clang] Fix template alias default DWARF versiion
OCHyams Apr 22, 2024
90235c8
update test
OCHyams Apr 22, 2024
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2 changes: 1 addition & 1 deletion clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -4634,7 +4634,7 @@ renderDebugOptions(const ToolChain &TC, const Driver &D, const llvm::Triple &T,

// Emit DW_TAG_template_alias for template aliases? True by default for SCE.
bool UseDebugTemplateAlias =
DebuggerTuning == llvm::DebuggerKind::SCE && RequestedDWARFVersion >= 5;
DebuggerTuning == llvm::DebuggerKind::SCE && RequestedDWARFVersion >= 4;
if (const auto *DebugTemplateAlias = Args.getLastArg(
options::OPT_gtemplate_alias, options::OPT_gno_template_alias)) {
// DW_TAG_template_alias is only supported from DWARFv5 but if a user
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4 changes: 2 additions & 2 deletions clang/test/Driver/debug-options.c
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Expand Up @@ -456,9 +456,9 @@
// RUN: %clang -### -target x86_64 -c -g %s 2>&1 | FileCheck --check-prefix=FULL_TEMP_NAMES --implicit-check-not=debug-forward-template-params %s
// FULL_TEMP_NAMES-NOT: -gsimple-template-names

//// Test -g[no-]template-alias (enabled by default with SCE debugger tuning and DWARFv5).
//// Test -g[no-]template-alias (enabled by default with SCE debugger tuning and DWARF version >= 4).
// RUN: %clang -### -target x86_64 -c -gdwarf-5 -gsce %s 2>&1 | FileCheck %s --check-prefixes=TEMPLATE-ALIAS
// RUN: %clang -### -target x86_64 -c -gdwarf-4 -gsce %s 2>&1 | FileCheck %s --check-prefixes=NO-TEMPLATE-ALIAS
// RUN: %clang -### -target x86_64 -c -gdwarf-3 -gsce %s 2>&1 | FileCheck %s --check-prefixes=NO-TEMPLATE-ALIAS
// RUN: %clang -### -target x86_64 -c -gdwarf-5 -gsce -gtemplate-alias %s 2>&1 | FileCheck %s --check-prefixes=TEMPLATE-ALIAS
// RUN: %clang -### -target x86_64 -c -gdwarf-5 -gsce -gno-template-alias %s 2>&1 | FileCheck %s --check-prefixes=NO-TEMPLATE-ALIAS
// RUN: %clang -### -target x86_64 -c -gdwarf-5 -gtemplate-alias %s 2>&1 | FileCheck %s --check-prefixes=TEMPLATE-ALIAS
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