Implement -cl-mad-enable
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120881 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 13919aa..f34a484 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -607,3 +607,5 @@
HelpText<"OpenCL only. Allow unsafe floating-point optimizations. Also implies -cl-no-signed-zeros and -cl-mad-enable">;
def cl_fast_relaxed_math : Flag<"-cl-fast-relaxed-math">,
HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__">;
+def cl_mad_enable : Flag<"-cl-mad-enable">,
+ HelpText<"OpenCL only. Enable less precise MAD instructions to be generated.">;
diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index 84f5003..52fb144 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -56,6 +56,8 @@
unsigned HiddenWeakVTables : 1; /// Emit weak vtables, RTTI, and thunks with
/// hidden visibility
unsigned InstrumentFunctions : 1; /// Set when -finstrument-functions is enabled
+ unsigned LessPreciseFPMAD : 1; /// Enable less precise MAD instructions to be
+ /// generated.
unsigned MergeAllConstants : 1; /// Merge identical constants.
unsigned NoCommon : 1; /// Set when -fno-common or C++ is enabled.
unsigned NoImplicitFloat : 1; /// Set when -mno-implicit-float is enabled.
@@ -123,6 +125,7 @@
HiddenWeakTemplateVTables = 0;
HiddenWeakVTables = 0;
InstrumentFunctions = 0;
+ LessPreciseFPMAD = 0;
MergeAllConstants = 1;
NoCommon = 0;
NoImplicitFloat = 0;
diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 2808b4a..f12715a 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -183,6 +183,7 @@
llvm::FloatABIType = llvm::FloatABI::Default;
}
+ llvm::LessPreciseFPMADOption = CodeGenOpts.LessPreciseFPMAD;
llvm::NoInfsFPMath = CodeGenOpts.NoInfsFPMath;
llvm::NoNaNsFPMath = CodeGenOpts.NoNaNsFPMath;
NoZerosInBSS = CodeGenOpts.NoZeroInitializedInBSS;
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index c30d7d3..f765642 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -897,6 +897,7 @@
Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
+ Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)||
Args.hasArg(OPT_cl_fast_relaxed_math);