diff options
| -rw-r--r-- | lib/CodeGen/Passes.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp index 3489db2e9f..c62227535f 100644 --- a/lib/CodeGen/Passes.cpp +++ b/lib/CodeGen/Passes.cpp @@ -55,6 +55,11 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) { RegisterRegAlloc::setDefault(RegAlloc); } + // This forces linking of the greedy register allocator, so -regalloc=greedy + // works in clang. + if (Ctor == createGreedyRegisterAllocator) + return createGreedyRegisterAllocator(); + if (Ctor != createDefaultRegisterAllocator) return Ctor(); |