From 663f49900d44c9fa5e81fe2f129798ab0d19d6de Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Tue, 17 Aug 2010 00:46:57 +0000 Subject: [PATCH] Make arm fast-isel possible to enable via command line. llvm-svn: 111219 --- llvm/lib/Target/ARM/ARMFastISel.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index aad037a78a27..3679b59e328e 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -29,11 +29,17 @@ #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/Support/CallSite.h" +#include "llvm/Support/CommandLine.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/GetElementPtrTypeIterator.h" #include "llvm/Target/TargetOptions.h" using namespace llvm; +static cl::opt +EnableARMFastISel("arm-fast-isel", + cl::desc("Turn on experimental ARM fast-isel support"), + cl::init(false), cl::Hidden); + namespace { class ARMFastISel : public FastISel { @@ -66,7 +72,7 @@ bool ARMFastISel::TargetSelectInstruction(const Instruction *I) { namespace llvm { llvm::FastISel *ARM::createFastISel(FunctionLoweringInfo &funcInfo) { - // Turn it off for now. It's not quite ready. + if (EnableARMFastISel) return new ARMFastISel(funcInfo); return 0; } }