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[OpenCL] Add missing -cl-no-signed-zeros option into driver 

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
This commit is contained in:
Yaxun Liu 2016-07-08 20:28:29 +00:00
parent 0733e6b61c
commit 79c99fb7eb
6 changed files with 33 additions and 13 deletions
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2
clang/include/clang/Driver/Options.td
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@ -383,6 +383,8 @@ def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">, Group<opencl_Gro
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]>,

2
clang/lib/CodeGen/CGCall.cpp
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@ -1732,6 +1732,8 @@ void CodeGenModule::ConstructAttributeList(
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");

3
clang/lib/Driver/Tools.cpp
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@ -5139,6 +5139,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
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();

3
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -564,7 +564,8 @@ 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_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);

10
clang/test/CodeGenOpenCL/no-signed-zeros.cl Normal file
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@ -0,0 +1,10 @@
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s -check-prefix=NORMAL
// RUN: %clang_cc1 %s -emit-llvm -cl-no-signed-zeros -o - | FileCheck %s -check-prefix=NO-SIGNED-ZEROS
float signedzeros(float a) {
return a;
}
// CHECK: attributes
// NORMAL: "no-signed-zeros-fp-math"="false"
// NO-SIGNED-ZEROS: "no-signed-zeros-fp-math"="true"

26
clang/test/Driver/opencl.cl
View File

@ -11,12 +11,13 @@
// 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
// 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-no-signed-zeros %s | FileCheck --check-prefix=CHECK-NO-SIGNED-ZEROS %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
// CHECK-CL: .*clang.* "-cc1" .* "-cl-std=CL"
// CHECK-CL11: .*clang.* "-cc1" .* "-cl-std=CL1.1"
@ -30,11 +31,12 @@
// 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"
// CHECK-FAST-RELAXED-MATH: .*clang.* "-cc1" .* "-cl-fast-relaxed-math"
// CHECK-MAD-ENABLE: .*clang.* "-cc1" .* "-cl-mad-enable"
// CHECK-NO-SIGNED-ZEROS: .*clang.* "-cc1" .* "-cl-no-signed-zeros"
// 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'
kernel void func(void);