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| author | Evan Cheng <evan.cheng@apple.com> | 2009-06-14 20:22:55 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-06-14 20:22:55 +0000 |
| commit | 90f95f88c6ce09c6744777dc9d140c3c77203b92 (patch) | |
| tree | 3996a490bf685eea1de9b1579d28f69500dbf8a6 /lib/CodeGen/MachineRegisterInfo.cpp | |
| parent | caf6b2bbaf40580596e974b5eee0a7e59b58bd98 (diff) | |
| download | llvm-90f95f88c6ce09c6744777dc9d140c3c77203b92.tar.gz llvm-90f95f88c6ce09c6744777dc9d140c3c77203b92.tar.bz2 llvm-90f95f88c6ce09c6744777dc9d140c3c77203b92.tar.xz | |
Move register allocation preference (or hint) from LiveInterval to MachineRegisterInfo. This allows more passes to set them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73346 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index 4f5ab1f586..9649c4c44c 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -16,6 +16,7 @@ using namespace llvm; MachineRegisterInfo::MachineRegisterInfo(const TargetRegisterInfo &TRI) { VRegInfo.reserve(256); + RegAllocHints.reserve(256); RegClass2VRegMap.resize(TRI.getNumRegClasses()+1); // RC ID starts at 1. UsedPhysRegs.resize(TRI.getNumRegs()); @@ -64,6 +65,7 @@ MachineRegisterInfo::createVirtualRegister(const TargetRegisterClass *RegClass){ // Add a reg, but keep track of whether the vector reallocated or not. void *ArrayBase = VRegInfo.empty() ? 0 : &VRegInfo[0]; VRegInfo.push_back(std::make_pair(RegClass, (MachineOperand*)0)); + RegAllocHints.push_back(std::make_pair(RA_None, 0)); if (!((&VRegInfo[0] == ArrayBase || VRegInfo.size() == 1))) // The vector reallocated, handle this now. |