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author | Nadav Rotem <nrotem@apple.com> | 2013-01-09 22:29:00 +0000 |
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committer | Nadav Rotem <nrotem@apple.com> | 2013-01-09 22:29:00 +0000 |
commit | 14925e6b885f8bd8cf448627386d412831f4bf1b (patch) | |
tree | f87fac291a2f8740eac16cadbd051b395dd1a200 /lib/CodeGen/BasicTargetTransformInfo.cpp | |
parent | d2f8216ba496b139815aee29052093c1b0d7a996 (diff) | |
download | external_llvm-14925e6b885f8bd8cf448627386d412831f4bf1b.zip external_llvm-14925e6b885f8bd8cf448627386d412831f4bf1b.tar.gz external_llvm-14925e6b885f8bd8cf448627386d412831f4bf1b.tar.bz2 |
ARM Cost model: Use the size of vector registers and widest vectorizable instruction to determine the max vectorization factor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172010 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/BasicTargetTransformInfo.cpp')
-rw-r--r-- | lib/CodeGen/BasicTargetTransformInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/BasicTargetTransformInfo.cpp b/lib/CodeGen/BasicTargetTransformInfo.cpp index 2f3ac9a..3892cc4 100644 --- a/lib/CodeGen/BasicTargetTransformInfo.cpp +++ b/lib/CodeGen/BasicTargetTransformInfo.cpp @@ -84,6 +84,7 @@ public: virtual unsigned getNumberOfRegisters(bool Vector) const; virtual unsigned getMaximumUnrollFactor() const; + virtual unsigned getRegisterBitWidth(bool Vector) const; virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const; virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp, int Index, Type *SubTp) const; @@ -183,6 +184,10 @@ unsigned BasicTTI::getNumberOfRegisters(bool Vector) const { return 1; } +unsigned BasicTTI::getRegisterBitWidth(bool Vector) const { + return 32; +} + unsigned BasicTTI::getMaximumUnrollFactor() const { return 1; } |