[PS4] Disable LTO unit features under ThinLTO, like for Darwin.
llvm-svn: 307964
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@ -2070,10 +2070,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
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if (D.isUsingLTO()) {
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Args.AddLastArg(CmdArgs, options::OPT_flto, options::OPT_flto_EQ);
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// The Darwin linker currently uses the legacy LTO API, which does not
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// support LTO unit features (CFI, whole program vtable opt) under
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// ThinLTO.
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if (!getToolChain().getTriple().isOSDarwin() ||
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// The Darwin and PS4 linkers currently use the legacy LTO API, which
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// does not support LTO unit features (CFI, whole program vtable opt)
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// under ThinLTO.
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if (!(getToolChain().getTriple().isOSDarwin() ||
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getToolChain().getTriple().isPS4()) ||
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D.getLTOMode() == LTOK_Full)
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CmdArgs.push_back("-flto-unit");
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}
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@ -2,6 +2,8 @@
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// RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin 2>&1 | FileCheck --check-prefix=UNIT %s
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// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=full 2>&1 | FileCheck --check-prefix=UNIT %s
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// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=NOUNIT %s
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// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=full 2>&1 | FileCheck --check-prefix=UNIT %s
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// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=NOUNIT %s
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// UNIT: "-flto-unit"
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// NOUNIT-NOT: "-flto-unit"
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