From 3d6311d5f7e5078df992c5167b53a586cfb7213a Mon Sep 17 00:00:00 2001 From: Nuno Lopes Date: Tue, 8 May 2012 22:10:46 +0000 Subject: add -fbounds-checking option. When enabled, clang generates bounds checks for array and pointers dereferences. Work to follow in LLVM's backend. OK'ed by Chad; thanks for the review. llvm-svn: 156431 --- clang/lib/Driver/Tools.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'clang/lib/Driver/Tools.cpp') diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 90a9f0cf947..1ccba755071 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2025,6 +2025,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-Wlarge-by-value-copy=64"); // default value } + if (Arg *A = Args.getLastArg(options::OPT_fbounds_checking, + options::OPT_fbounds_checking_EQ)) { + if (A->getNumValues()) { + StringRef val = A->getValue(Args); + CmdArgs.push_back(Args.MakeArgString("-fbounds-checking=" + val)); + } else + CmdArgs.push_back("-fbounds-checking=1"); + } + if (Args.hasArg(options::OPT__relocatable_pch)) CmdArgs.push_back("-relocatable-pch"); -- cgit v1.2.3