From 430721cff8bc3b5baceab7700bcb9b6a51d70327 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Tue, 19 Apr 2011 17:17:58 +0000 Subject: [PATCH] Force the greedy register allocator to be linked alongside linear scan. This means that the new register allocator can be used with 'clang -mllvm -regalloc=greedy'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129764 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/Passes.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp index 3489db2e9f4..c62227535fc 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(); -- 2.11.0