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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-27 23:57:25 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-05-27 23:57:25 +0000 |
| commit | 700bfada6375546f82000bdd1b4cdbe87beebea5 (patch) | |
| tree | 08201eccc3aed612163606f2bb3461be5c87d717 /include | |
| parent | 1fa1c7b23bd06d2c1b37aa0f0cf7740fa6759e0b (diff) | |
| download | llvm-700bfada6375546f82000bdd1b4cdbe87beebea5.tar.gz llvm-700bfada6375546f82000bdd1b4cdbe87beebea5.tar.bz2 llvm-700bfada6375546f82000bdd1b4cdbe87beebea5.tar.xz | |
Add a -regalloc=default option that chooses a register allocator based on the -O
optimization level.
This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104904 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/Passes.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/Passes.h b/include/llvm/CodeGen/Passes.h index 96fb8b907b..a8f4fbabe8 100644 --- a/include/llvm/CodeGen/Passes.h +++ b/include/llvm/CodeGen/Passes.h @@ -85,9 +85,10 @@ namespace llvm { /// FunctionPass *createDeadMachineInstructionElimPass(); - /// Creates a register allocator as the user specified on the command line. + /// Creates a register allocator as the user specified on the command line, or + /// picks one that matches OptLevel. /// - FunctionPass *createRegisterAllocator(); + FunctionPass *createRegisterAllocator(CodeGenOpt::Level OptLevel); /// LocalRegisterAllocation Pass - This pass register allocates the input code /// a basic block at a time, yielding code better than the simple register |