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[OpenCL] Extended mapping of parcing CodeGen arguments 

Summary: Enable cl_mad_enamle and cl_no_signed_zeros options when user turns on cl_unsafe_math_optimizations or cl_fast_relaxed_math options.

Reviewers: Anastasia, cfe-commits

Reviewed By: Anastasia

Subscribers: bader, yaxunl

Differential Revision: https://reviews.llvm.org/D31324

llvm-svn: 298838
This commit is contained in:
Egor Churaev 2017-03-27 10:38:01 +00:00
parent a2e33e60d2
commit 45c26ee0bf
2 changed files with 31 additions and 6 deletions
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8
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -573,7 +573,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.DiscardValueNames = Args.hasArg(OPT_discard_value_names);
Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls);
Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable) ||
Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) ||
Args.hasArg(OPT_cl_finite_math_only) ||
@ -583,7 +585,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Args.hasArg(OPT_cl_finite_math_only) ||
Args.hasArg(OPT_cl_fast_relaxed_math));
Opts.NoSignedZeros = (Args.hasArg(OPT_fno_signed_zeros) ||
Args.hasArg(OPT_cl_no_signed_zeros));
Args.hasArg(OPT_cl_no_signed_zeros) ||
Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
Args.hasArg(OPT_cl_fast_relaxed_math));
Opts.FlushDenorm = Args.hasArg(OPT_cl_denorms_are_zero);
Opts.CorrectlyRoundedDivSqrt =
Args.hasArg(OPT_cl_fp32_correctly_rounded_divide_sqrt);

29
clang/test/CodeGenOpenCL/relaxed-fpmath.cl
View File

@ -2,33 +2,54 @@
// RUN: %clang_cc1 %s -emit-llvm -cl-fast-relaxed-math -o - | FileCheck %s -check-prefix=FAST
// RUN: %clang_cc1 %s -emit-llvm -cl-finite-math-only -o - | FileCheck %s -check-prefix=FINITE
// RUN: %clang_cc1 %s -emit-llvm -cl-unsafe-math-optimizations -o - | FileCheck %s -check-prefix=UNSAFE
typedef __attribute__(( ext_vector_type(4) )) float float4;
// RUN: %clang_cc1 %s -emit-llvm -cl-mad-enable -o - | FileCheck %s -check-prefix=MAD
// RUN: %clang_cc1 %s -emit-llvm -cl-no-signed-zeros -o - | FileCheck %s -check-prefix=NOSIGNED
float spscalardiv(float a, float b) {
// CHECK: @spscalardiv(
// NORMAL: fdiv float
// NORMAL: fdiv float
// FAST: fdiv fast float
// FINITE: fdiv nnan ninf float
// UNSAFE: fdiv nnan float
// UNSAFE: fdiv nnan nsz float
// MAD: fdiv float
// NOSIGNED: fdiv nsz float
return a / b;
}
// CHECK: attributes
// NORMAL: "less-precise-fpmad"="false"
// NORMAL: "no-infs-fp-math"="false"
// NORMAL: "no-nans-fp-math"="false"
// NORMAL: "no-signed-zeros-fp-math"="false"
// NORMAL: "unsafe-fp-math"="false"
// FAST: "less-precise-fpmad"="true"
// FAST: "no-infs-fp-math"="true"
// FAST: "no-nans-fp-math"="true"
// FAST: "no-signed-zeros-fp-math"="true"
// FAST: "unsafe-fp-math"="true"
// FINITE: "less-precise-fpmad"="false"
// FINITE: "no-infs-fp-math"="true"
// FINITE: "no-nans-fp-math"="true"
// FINITE: "no-signed-zeros-fp-math"="false"
// FINITE: "unsafe-fp-math"="false"
// UNSAFE: "less-precise-fpmad"="true"
// UNSAFE: "no-infs-fp-math"="false"
// UNSAFE: "no-nans-fp-math"="true"
// UNSAFE: "no-signed-zeros-fp-math"="true"
// UNSAFE: "unsafe-fp-math"="true"
// MAD: "less-precise-fpmad"="true"
// MAD: "no-infs-fp-math"="false"
// MAD: "no-nans-fp-math"="false"
// MAD: "no-signed-zeros-fp-math"="false"
// MAD: "unsafe-fp-math"="false"
// NOSIGNED: "less-precise-fpmad"="false"
// NOSIGNED: "no-infs-fp-math"="false"
// NOSIGNED: "no-nans-fp-math"="false"
// NOSIGNED: "no-signed-zeros-fp-math"="true"
// NOSIGNED: "unsafe-fp-math"="false"