[cfe-commits] r120879 - in /cfe/trunk: include/clang/Driver/CC1Options.td include/clang/Frontend/CodeGenOptions.h lib/CodeGen/BackendUtil.cpp lib/Frontend/CompilerInvocation.cpp
Peter Collingbourne
peter at pcc.me.uk
Fri Dec 3 17:51:14 PST 2010
Author: pcc
Date: Fri Dec 3 19:51:14 2010
New Revision: 120879
URL: http://llvm.org/viewvc/llvm-project?rev=120879&view=rev
Log:
Implement -cl-unsafe-math-optimizations
Modified:
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/include/clang/Frontend/CodeGenOptions.h
cfe/trunk/lib/CodeGen/BackendUtil.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
Modified: cfe/trunk/include/clang/Driver/CC1Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=120879&r1=120878&r2=120879&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td (original)
+++ cfe/trunk/include/clang/Driver/CC1Options.td Fri Dec 3 19:51:14 2010
@@ -603,3 +603,5 @@
HelpText<"OpenCL only. Treat double precision floating-point constant as single precision constant.">;
def cl_finite_math_only : Flag<"-cl-finite-math-only">,
HelpText<"OpenCL only. Allow floating-point optimizations that assume arguments and results are not NaNs or +-Inf.">;
+def cl_unsafe_math_optimizations : Flag<"-cl-unsafe-math-optimizations">,
+ HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">;
Modified: cfe/trunk/include/clang/Frontend/CodeGenOptions.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/CodeGenOptions.h?rev=120879&r1=120878&r2=120879&view=diff
==============================================================================
--- cfe/trunk/include/clang/Frontend/CodeGenOptions.h (original)
+++ cfe/trunk/include/clang/Frontend/CodeGenOptions.h Fri Dec 3 19:51:14 2010
@@ -75,6 +75,7 @@
unsigned UnitAtATime : 1; /// Unused. For mirroring GCC optimization
/// selection.
unsigned UnrollLoops : 1; /// Control whether loops are unrolled.
+ unsigned UnsafeFPMath : 1; /// Allow unsafe floating point optzns.
unsigned UnwindTables : 1; /// Emit unwind tables.
unsigned VerifyModule : 1; /// Control whether the module should be run
/// through the LLVM Verifier.
@@ -139,6 +140,7 @@
TimePasses = 0;
UnitAtATime = 1;
UnrollLoops = 0;
+ UnsafeFPMath = 0;
UnwindTables = 0;
VerifyModule = 1;
Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=120879&r1=120878&r2=120879&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Fri Dec 3 19:51:14 2010
@@ -186,6 +186,7 @@
llvm::NoInfsFPMath = CodeGenOpts.NoInfsFPMath;
llvm::NoNaNsFPMath = CodeGenOpts.NoNaNsFPMath;
NoZerosInBSS = CodeGenOpts.NoZeroInitializedInBSS;
+ llvm::UnsafeFPMath = CodeGenOpts.UnsafeFPMath;
llvm::UseSoftFloat = CodeGenOpts.SoftFloat;
UnwindTablesMandatory = CodeGenOpts.UnwindTables;
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=120879&r1=120878&r2=120879&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Fri Dec 3 19:51:14 2010
@@ -903,6 +903,7 @@
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
+ Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations);
Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
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