[PATCH] D118082: [clang][Driver] use DWARF4 for wasm

[Derek Schuff via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd0d8d2d572cd: [clang][Driver] use DWARF4 for wasm (authored by dschuff).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118082/new/

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 +132,13 @@
 // 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 2>&1 \
+// RUN:             | FileCheck -check-prefix=G_DWARF4 %s
+// RUN: %clang -### -c -g %s -target wasm64 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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