Author: probinson
Date: Thu Jul 13 14:25:47 2017
New Revision: 307964
URL: http://llvm.org/viewvc/llvm-project?rev=307964&view=rev
Log:
[PS4] Disable LTO unit features under ThinLTO, like for Darwin.
Modified:
cfe/trunk/lib/Driver/ToolChains/Clang.cpp
cfe/trunk/test/Driver/lto-unit.c
Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=307964&r1=307963&r2=307964&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Thu Jul 13 14:25:47 2017
@@ -2070,10 +2070,11 @@ void Clang::ConstructJob(Compilation &C,
if (D.isUsingLTO()) {
Args.AddLastArg(CmdArgs, options::OPT_flto, options::OPT_flto_EQ);
- // The Darwin linker currently uses the legacy LTO API, which does not
- // support LTO unit features (CFI, whole program vtable opt) under
- // ThinLTO.
- if (!getToolChain().getTriple().isOSDarwin() ||
+ // The Darwin and PS4 linkers currently use the legacy LTO API, which
+ // does not support LTO unit features (CFI, whole program vtable opt)
+ // under ThinLTO.
+ if (!(getToolChain().getTriple().isOSDarwin() ||
+ getToolChain().getTriple().isPS4()) ||
D.getLTOMode() == LTOK_Full)
CmdArgs.push_back("-flto-unit");
}
Modified: cfe/trunk/test/Driver/lto-unit.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/lto-unit.c?rev=307964&r1=307963&r2=307964&view=diff
==============================================================================
--- cfe/trunk/test/Driver/lto-unit.c (original)
+++ cfe/trunk/test/Driver/lto-unit.c Thu Jul 13 14:25:47 2017
@@ -2,6 +2,8 @@
// RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin 2>&1 |
FileCheck --check-prefix=UNIT %s
// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=full 2>&1 |
FileCheck --check-prefix=UNIT %s
// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=thin 2>&1 |
FileCheck --check-prefix=NOUNIT %s
+// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=full 2>&1 | FileCheck
--check-prefix=UNIT %s
+// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=thin 2>&1 | FileCheck
--check-prefix=NOUNIT %s
// UNIT: "-flto-unit"
// NOUNIT-NOT: "-flto-unit"
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