[PATCH] D118082: [clang][Driver] use DWARF4 for wasm
Derek Schuff via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jan 24 15:01:01 PST 2022
dschuff created this revision.
dschuff added reviewers: aardappel, sunfish.
Herald added subscribers: wingo, jgravelle-google, sbc100.
dschuff requested review of this revision.
Herald added subscribers: cfe-commits, aheejin.
Herald added a project: clang.
Opt into the old default of DWARF4 for now.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D118082
Files:
clang/lib/Driver/ToolChains/WebAssembly.h
clang/test/Driver/debug-options.c
Index: clang/test/Driver/debug-options.c
===================================================================
--- clang/test/Driver/debug-options.c
+++ clang/test/Driver/debug-options.c
@@ -132,6 +132,15 @@
// RUN: %clang -### -c -g %s -target powerpc64-ibm-aix-xcoff -gcolumn-info \
// RUN: 2>&1 | FileCheck -check-prefix=CI %s
+// WebAssembly.
+// WebAssembly should default to DWARF4.
+// RUN: %clang -### -c -g %s -target wasm32 -gdwarf-4 2>&1 \
+// RUN: | FileCheck -check-prefix=G_DWARF4 %s
+// RUN: %clang -### -c -g %s -target wasm64 -gdwarf-4 2>&1 \
+// RUN: | FileCheck -check-prefix=G_DWARF4 %s
+
+
+
// RUN: %clang -### -c -gdwarf-2 %s 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
//
Index: clang/lib/Driver/ToolChains/WebAssembly.h
===================================================================
--- clang/lib/Driver/ToolChains/WebAssembly.h
+++ clang/lib/Driver/ToolChains/WebAssembly.h
@@ -51,6 +51,7 @@
bool hasBlocksRuntime() const override;
bool SupportsProfiling() const override;
bool HasNativeLLVMSupport() const override;
+ unsigned GetDefaultDwarfVersion() const override { return 4; }
void
addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
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