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Use a greedy algorithm for allocating registers. 

llvm-svn: 130568
This commit is contained in:
Jakob Stoklund Olesen 2011-04-30 01:37:54 +00:00
parent edfabc9aad
commit 6e399a6ecb
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/CodeGen/Passes.cpp
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@ -57,8 +57,8 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
// This forces linking of the greedy register allocator, so -regalloc=greedy // This forces linking of the greedy register allocator, so -regalloc=greedy
// works in clang. // works in clang.
if (Ctor == createGreedyRegisterAllocator) if (Ctor == createLinearScanRegisterAllocator)
return createGreedyRegisterAllocator(); return createLinearScanRegisterAllocator();
if (Ctor != createDefaultRegisterAllocator) if (Ctor != createDefaultRegisterAllocator)
return Ctor(); return Ctor();
@ -68,6 +68,6 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
case CodeGenOpt::None: case CodeGenOpt::None:
return createFastRegisterAllocator(); return createFastRegisterAllocator();
default: default:
return createLinearScanRegisterAllocator(); return createGreedyRegisterAllocator();
} }
} }