Part 2 (the Clang portion) of D59881.
This patch (first of two patches) enables the vectorizer to recognize the
IBM MASS vector library routines. This patch specifically adds support for
recognizing the -vector-library=MASSV option, and defines mappings from IEEE
standard scalar math functions to generic PowerPC MASS vector counterparts.
For instance, the generic PowerPC MASS vector entry for double-precision
cbrt function is __cbrtd2_massv.
The second patch will further lower the generic PowerPC vector entries to
PowerPC subtarget-specific entries.
For instance, the PowerPC generic entry cbrtd2_massv is lowered to
cbrtd2_P9 for Power9 subtarget.
The overall support for MASS vector library is presented as such in two patches
for ease of review.
Patch by Jeeva Paudel.
Differential revision: https://reviews.llvm.org/D59881
llvm-svn: 362571
enum VectorLibrary {
NoLibrary, // Don't use any vector library.
Accelerate, // Use the Accelerate framework.
+ MASSV, // IBM MASS vector library.
SVML // Intel short vector math library.
};
Group<f_clang_Group>, Flags<[CC1Option]>,
HelpText<"Disables an experimental new pass manager in LLVM.">;
def fveclib : Joined<["-"], "fveclib=">, Group<f_Group>, Flags<[CC1Option]>,
- HelpText<"Use the given vector functions library">, Values<"Accelerate,SVML,none">;
+ HelpText<"Use the given vector functions library">, Values<"Accelerate,MASSV,SVML,none">;
def fno_lax_vector_conversions : Flag<["-"], "fno-lax-vector-conversions">, Group<f_Group>,
HelpText<"Disallow implicit conversions between vectors with a different number of elements or different element types">, Flags<[CC1Option]>;
def fno_merge_all_constants : Flag<["-"], "fno-merge-all-constants">, Group<f_Group>,
case CodeGenOptions::Accelerate:
TLII->addVectorizableFunctionsFromVecLib(TargetLibraryInfoImpl::Accelerate);
break;
+ case CodeGenOptions::MASSV:
+ TLII->addVectorizableFunctionsFromVecLib(TargetLibraryInfoImpl::MASSV);
+ break;
case CodeGenOptions::SVML:
TLII->addVectorizableFunctionsFromVecLib(TargetLibraryInfoImpl::SVML);
break;
StringRef Name = A->getValue();
if (Name == "Accelerate")
Opts.setVecLib(CodeGenOptions::Accelerate);
+ else if (Name == "MASSV")
+ Opts.setVecLib(CodeGenOptions::MASSV);
else if (Name == "SVML")
Opts.setVecLib(CodeGenOptions::SVML);
else if (Name == "none")
// FLTOALL-NEXT: thin
// RUN: %clang --autocomplete=-fveclib= | FileCheck %s -check-prefix=FVECLIBALL
// FVECLIBALL: Accelerate
+// FVECLIBALL-NEXT: MASSV
// FVECLIBALL-NEXT: none
// FVECLIBALL-NEXT: SVML
// RUN: %clang --autocomplete=-fshow-overloads= | FileCheck %s -check-prefix=FSOVERALL
// RUN: %clang -### -c -fveclib=none %s 2>&1 | FileCheck -check-prefix CHECK-NOLIB %s
// RUN: %clang -### -c -fveclib=Accelerate %s 2>&1 | FileCheck -check-prefix CHECK-ACCELERATE %s
+// RUN: %clang -### -c -fveclib=MASSV %s 2>&1 | FileCheck -check-prefix CHECK-MASSV %s
// RUN: not %clang -c -fveclib=something %s 2>&1 | FileCheck -check-prefix CHECK-INVALID %s
// CHECK-NOLIB: "-fveclib=none"
// CHECK-ACCELERATE: "-fveclib=Accelerate"
+// CHECK-MASSV: "-fveclib=MASSV"
// CHECK-INVALID: error: invalid value 'something' in '-fveclib=something'