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| author | Chad Rosier <mcrosier@apple.com> | 2011-08-26 00:26:29 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-08-26 00:26:29 +0000 |
| commit | 1b9060553221720152e12981109549e0a1d8e3a1 (patch) | |
| tree | 22e51eaaf06e7cfd474f9d7dba91995d1d2e145a /lib/Driver/Tools.cpp | |
| parent | 805bc1f6fb9b7bc85222d0211761a8c624f2dd75 (diff) | |
[driver] Add -mglobal-merge/-mno-global-merge machine options to enable/disable merging of
globals during codegen.
Fixes <rdar://problem/10017909>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138612 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 33e11fb849..9e06f20561 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -677,6 +677,14 @@ void Clang::AddARMTargetArgs(const ArgList &Args, CmdArgs.push_back("-arm-darwin-use-movt=0"); #endif } + + // Setting -mno-global-merge disables the codegen global merge pass. Setting + // -mglobal-merge has no effect as the pass is enabled by default. + if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, + options::OPT_mno_global_merge)) { + if (A->getOption().matches(options::OPT_mno_global_merge)) + CmdArgs.push_back("-mno-global-merge"); + } } void Clang::AddMIPSTargetArgs(const ArgList &Args, |