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| author | Nadav Rotem <nrotem@apple.com> | 2013-01-09 01:15:42 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-01-09 01:15:42 +0000 |
| commit | 83be7b0dd3ae9a3cb22d36ae4c1775972553b94b (patch) | |
| tree | 5ca1c69275faaa284ac3abe27e3f56c31b0e0ae1 /lib/CodeGen/BasicTargetTransformInfo.cpp | |
| parent | d700a2f9c54e3312d28c132663bf60f81662b7f7 (diff) | |
| download | llvm-83be7b0dd3ae9a3cb22d36ae4c1775972553b94b.tar.gz llvm-83be7b0dd3ae9a3cb22d36ae4c1775972553b94b.tar.bz2 llvm-83be7b0dd3ae9a3cb22d36ae4c1775972553b94b.tar.xz | |
Cost Model: Move the 'max unroll factor' variable to the TTI and add initial Cost Model support on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171928 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 c27e081a5e..2f3ac9a901 100644 --- a/lib/CodeGen/BasicTargetTransformInfo.cpp +++ b/lib/CodeGen/BasicTargetTransformInfo.cpp @@ -83,6 +83,7 @@ public: /// @{ virtual unsigned getNumberOfRegisters(bool Vector) const; + virtual unsigned getMaximumUnrollFactor() const; virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const; virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp, int Index, Type *SubTp) const; @@ -182,6 +183,10 @@ unsigned BasicTTI::getNumberOfRegisters(bool Vector) const { return 1; } +unsigned BasicTTI::getMaximumUnrollFactor() const { + return 1; +} + unsigned BasicTTI::getArithmeticInstrCost(unsigned Opcode, Type *Ty) const { // Check if any of the operands are vector operands. int ISD = TLI->InstructionOpcodeToISD(Opcode); |