diff options
| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2018-02-21 16:37:45 +0000 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2018-02-21 16:37:45 +0000 |
| commit | 77cdf3881ccc98d453c91ca09dc482a731b6dfe0 (patch) | |
| tree | 42b856e17f39924910d18cfa7bd31a8734e119ac /llvm/lib | |
| parent | 3679c95ae45e5326368b263a9963fd217c768f95 (diff) | |
| download | bcm5719-llvm-77cdf3881ccc98d453c91ca09dc482a731b6dfe0.tar.gz bcm5719-llvm-77cdf3881ccc98d453c91ca09dc482a731b6dfe0.zip | |
[Hexagon] Return true in enableMultipleCopyHints().
Enable multiple COPY hints to eliminate more COPYs during register allocation.
Note that this is something all targets should do, see
https://reviews.llvm.org/D38128.
Review: Krzysztof Parzyszek
llvm-svn: 325697
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonRegisterInfo.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h index 4ead57da8fa..7102bf1ee05 100644 --- a/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h +++ b/llvm/lib/Target/Hexagon/HexagonRegisterInfo.h @@ -39,6 +39,8 @@ public: BitVector getReservedRegs(const MachineFunction &MF) const override; + bool enableMultipleCopyHints() const override { return true; } + void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS = nullptr) const override; |
