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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 | 1c8c436a854e7bc26775d1dc4f49313d684d59eb (patch) | |
| tree | d3c992747e5bc74cf1cd827a14248556c33beb26 /clang/lib/Driver/Tools.cpp | |
| parent | ff1049146df7abb60521bdf0ead5a39f5cfbe2b6 (diff) | |
| download | bcm5719-llvm-1c8c436a854e7bc26775d1dc4f49313d684d59eb.tar.gz bcm5719-llvm-1c8c436a854e7bc26775d1dc4f49313d684d59eb.zip | |
Add support for -fno-optimize-sibling-calls. Currently only implemented in the
X86 backend in LLVM.
llvm-svn: 148689
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index a3ce05f715d..7254a364df2 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/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 |
