Add OCL option -cl-no-signed-zeros to driver options.
Also added to opencl.cl testcases.
Patch by Aaron En Ye Shi.
Differential Revision: http://reviews.llvm.org/D22067
llvm-svn: 274923
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">, Group<opencl_Group>, Flags<[CC1Option]>,
HelpText<"OpenCL only. Allow use of less precise MAD computations in the generated binary.">;
+def cl_no_signed_zeros : Flag<["-"], "cl-no-signed-zeros">, Group<opencl_Group>, Flags<[CC1Option]>,
+ HelpText<"OpenCL only. Allow use of less precise no signed zeros computations in the generated binary.">;
def cl_std_EQ : Joined<["-"], "cl-std=">, Group<opencl_Group>, Flags<[CC1Option]>,
HelpText<"OpenCL language standard to compile for.">;
def cl_denorms_are_zero : Flag<["-"], "cl-denorms-are-zero">, Group<opencl_Group>, Flags<[CC1Option]>,
llvm::toStringRef(CodeGenOpts.SoftFloat));
FuncAttrs.addAttribute("stack-protector-buffer-size",
llvm::utostr(CodeGenOpts.SSPBufferSize));
+ FuncAttrs.addAttribute("no-signed-zeros-fp-math",
+ llvm::toStringRef(CodeGenOpts.NoSignedZeros));
if (CodeGenOpts.StackRealignment)
FuncAttrs.addAttribute("stackrealign");
if (Args.getLastArg(options::OPT_cl_mad_enable)) {
CmdArgs.push_back("-cl-mad-enable");
}
+ if (Args.getLastArg(options::OPT_cl_no_signed_zeros)) {
+ CmdArgs.push_back("-cl-no-signed-zeros");
+ }
if (Arg *A = Args.getLastArg(options::OPT_cl_std_EQ)) {
std::string CLStdStr = "-cl-std=";
CLStdStr += A->getValue();
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_fno_signed_zeros);
+ Opts.NoSignedZeros = (Args.hasArg(OPT_fno_signed_zeros) ||
+ Args.hasArg(OPT_cl_no_signed_zeros));
Opts.ReciprocalMath = Args.hasArg(OPT_freciprocal_math);
Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
--- /dev/null
+// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s -check-prefix=NORMAL\r
+// RUN: %clang_cc1 %s -emit-llvm -cl-no-signed-zeros -o - | FileCheck %s -check-prefix=NO-SIGNED-ZEROS\r
+\r
+float signedzeros(float a) {\r
+ return a;\r
+}\r
+\r
+// CHECK: attributes\r
+// NORMAL: "no-signed-zeros-fp-math"="false"\r
+// NO-SIGNED-ZEROS: "no-signed-zeros-fp-math"="true"\r
// RUN: %clang -S -### -cl-single-precision-constant %s | FileCheck --check-prefix=CHECK-SINGLE-PRECISION-CONST %s
// RUN: %clang -S -### -cl-finite-math-only %s | FileCheck --check-prefix=CHECK-FINITE-MATH-ONLY %s
// RUN: %clang -S -### -cl-kernel-arg-info %s | FileCheck --check-prefix=CHECK-KERNEL-ARG-INFO %s
-// RUN: %clang -S -### -cl-unsafe-math-optimizations %s | FileCheck --check-prefix=CHECK-UNSAFE-MATH-OPT %s
-// RUN: %clang -S -### -cl-fast-relaxed-math %s | FileCheck --check-prefix=CHECK-FAST-RELAXED-MATH %s
-// RUN: %clang -S -### -cl-mad-enable %s | FileCheck --check-prefix=CHECK-MAD-ENABLE %s
-// RUN: %clang -S -### -cl-denorms-are-zero %s | FileCheck --check-prefix=CHECK-DENORMS-ARE-ZERO %s
-// RUN: not %clang_cc1 -cl-std=c99 -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-C99 %s
-// RUN: not %clang_cc1 -cl-std=invalid -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID %s
+// RUN: %clang -S -### -cl-unsafe-math-optimizations %s | FileCheck --check-prefix=CHECK-UNSAFE-MATH-OPT %s\r
+// RUN: %clang -S -### -cl-fast-relaxed-math %s | FileCheck --check-prefix=CHECK-FAST-RELAXED-MATH %s\r
+// RUN: %clang -S -### -cl-mad-enable %s | FileCheck --check-prefix=CHECK-MAD-ENABLE %s\r
+// RUN: %clang -S -### -cl-no-signed-zeros %s | FileCheck --check-prefix=CHECK-NO-SIGNED-ZEROS %s\r
+// RUN: %clang -S -### -cl-denorms-are-zero %s | FileCheck --check-prefix=CHECK-DENORMS-ARE-ZERO %s\r
+// RUN: not %clang_cc1 -cl-std=c99 -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-C99 %s\r
+// RUN: not %clang_cc1 -cl-std=invalid -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID %s\r
// CHECK-CL: .*clang.* "-cc1" .* "-cl-std=CL"
// CHECK-CL11: .*clang.* "-cc1" .* "-cl-std=CL1.1"
// CHECK-SINGLE-PRECISION-CONST: .*clang.* "-cc1" .* "-cl-single-precision-constant"
// CHECK-FINITE-MATH-ONLY: .*clang.* "-cc1" .* "-cl-finite-math-only"
// CHECK-KERNEL-ARG-INFO: .*clang.* "-cc1" .* "-cl-kernel-arg-info"
-// CHECK-UNSAFE-MATH-OPT: .*clang.* "-cc1" .* "-cl-unsafe-math-optimizations"
-// CHECK-FAST-RELAXED-MATH: .*clang.* "-cc1" .* "-cl-fast-relaxed-math"
-// CHECK-MAD-ENABLE: .*clang.* "-cc1" .* "-cl-mad-enable"
-// CHECK-DENORMS-ARE-ZERO: .*clang.* "-cc1" .* "-cl-denorms-are-zero"
-// CHECK-C99: error: invalid argument '-cl-std=c99' not allowed with 'OpenCL'
-// CHECK-INVALID: error: invalid value 'invalid' in '-cl-std=invalid'
+// CHECK-UNSAFE-MATH-OPT: .*clang.* "-cc1" .* "-cl-unsafe-math-optimizations"\r
+// CHECK-FAST-RELAXED-MATH: .*clang.* "-cc1" .* "-cl-fast-relaxed-math"\r
+// CHECK-MAD-ENABLE: .*clang.* "-cc1" .* "-cl-mad-enable"\r
+// CHECK-NO-SIGNED-ZEROS: .*clang.* "-cc1" .* "-cl-no-signed-zeros"\r
+// CHECK-DENORMS-ARE-ZERO: .*clang.* "-cc1" .* "-cl-denorms-are-zero"\r
+// CHECK-C99: error: invalid argument '-cl-std=c99' not allowed with 'OpenCL'\r
+// CHECK-INVALID: error: invalid value 'invalid' in '-cl-std=invalid'\r
kernel void func(void);