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| author | Nick Lewycky <nicholas@mxc.ca> | 2012-01-23 08:29:12 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2012-01-23 08:29:12 +0000 |
| commit | 1db772bd68502e0dabbd8efeb7f7c64a4ab2e37a (patch) | |
| tree | 711da348be2c218c6c6ce93d19b158d12b6cb687 /lib/Driver/Tools.cpp | |
| parent | 2d757ec0e6cbd9aab4bcea7a0a83d71f5080c736 (diff) | |
Add support for -fno-optimize-sibling-calls. Currently only implemented in the
X86 backend in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148689 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index a3ce05f715..7254a364df 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1435,6 +1435,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_fno_strict_aliasing, getToolChain().IsStrictAliasingDefault())) CmdArgs.push_back("-relaxed-aliasing"); + if (!Args.hasFlag(options::OPT_foptimize_sibling_calls, + options::OPT_fno_optimize_sibling_calls)) + CmdArgs.push_back("-mdisable-tail-calls"); // Handle various floating point optimization flags, mapping them to the // appropriate LLVM code generation flags. The pattern for all of these is to |