[PATCH] D133092: [clang] fix generation of .debug_aranges with LTO

[Azat Khuzhin via Phabricator via cfe-commits]

azat updated this revision to Diff 457678.
azat added a comment.

v3: test only linux (to avoid failures on windows)
v4: add a comment about SCE


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133092/new/

https://reviews.llvm.org/D133092

Files:
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  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
@@ -246,7 +246,11 @@
 // RUN: %clang -### -c -glldb %s 2>&1 | FileCheck -check-prefix=NOPUB %s
 // RUN: %clang -### -c -glldb -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
 //
-// RUN: %clang -### -c -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=GARANGE %s
+// RUN: %clang -### -target x86_64-unknown-linux -c -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=GARANGE %s
+// RUN: %clang -### -target x86_64-unknown-linux -flto -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=LDGARANGE %s
+// RUN: %clang -### -target x86_64-unknown-linux -flto=thin -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=LDGARANGE %s
+// RUN: %clang -### -target x86_64-unknown-linux -fuse-ld=lld -flto -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=LLDGARANGE %s
+// RUN: %clang -### -target x86_64-unknown-linux -fuse-ld=lld -flto=thin -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=LLDGARANGE %s
 //
 // RUN: %clang -### -fdebug-types-section -target x86_64-unknown-linux %s 2>&1 \
 // RUN:        | FileCheck -check-prefix=FDTS %s
@@ -371,6 +375,8 @@
 // NORNGBSE-NOT: -fdebug-ranges-base-address
 //
 // GARANGE-DAG: -generate-arange-section
+// LDGARANGE-NOT: {{".*ld" .* "-generate-arange-section"}}
+// LLDGARANGE-DAG: {{".*lld" .* "-generate-arange-section"}}
 //
 // FDTS: "-mllvm" "-generate-type-units"
 // FDTSE: error: unsupported option '-fdebug-types-section' for target 'x86_64-apple-darwin'
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -506,6 +506,14 @@
             Suffix,
         Plugin);
     CmdArgs.push_back(Args.MakeArgString(Plugin));
+  } else {
+    // NOTE: That it is not possible to use lld for PS4, hence no need to
+    // handle SCE (like in Clang.cpp::renderDebugOptions())
+    bool NeedAranges = Args.hasArg(options::OPT_gdwarf_aranges);
+    if (NeedAranges) {
+      CmdArgs.push_back(Args.MakeArgString("-mllvm"));
+      CmdArgs.push_back(Args.MakeArgString("-generate-arange-section"));
+    }
   }
 
   // Try to pass driver level flags relevant to LTO code generation down to


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