From 76c9e0986c42bd789f8734106a86c144f2b5e14c Mon Sep 17 00:00:00 2001 From: Sanjay Patel Date: Fri, 23 Jan 2015 16:40:50 +0000 Subject: Process the -fno-signed-zeros optimization flag (PR20870) The driver currently accepts but ignores the -fno-signed-zeros flag. This patch passes the flag through and enables 'nsz' fast-math-flag generation in IR. The existing OpenCL flag for the same functionality is made into an alias here. It may be removed in a subsequent patch. This should resolve bug 20870 ( http://llvm.org/bugs/show_bug.cgi?id=20870 ); patches for the optimizer were checked in at: http://llvm.org/viewvc/llvm-project?view=revision&revision=225050 http://llvm.org/viewvc/llvm-project?view=revision&revision=224583 Differential Revision: http://reviews.llvm.org/D6873 llvm-svn: 226915 --- clang/lib/Frontend/CompilerInvocation.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'clang/lib/Frontend/CompilerInvocation.cpp') diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index dd1a6061..ab5c8f8 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -441,7 +441,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Args.hasArg(OPT_cl_unsafe_math_optimizations) || Args.hasArg(OPT_cl_finite_math_only) || Args.hasArg(OPT_cl_fast_relaxed_math)); - Opts.NoSignedZeros = Args.hasArg(OPT_cl_no_signed_zeros); + Opts.NoSignedZeros = Args.hasArg(OPT_fno_signed_zeros); Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0, Diags); -- cgit v1.1