Change flag from Enable to Disable since we're enabled by default.
Also don't use fast-isel on non-darwin since it's untested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116217 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index a7ca18e..f290bac 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -46,9 +46,9 @@
using namespace llvm;
static cl::opt<bool>
-EnableARMFastISel("arm-fast-isel",
- cl::desc("Turn on experimental ARM fast-isel support"),
- cl::init(true), cl::Hidden);
+DisableARMFastISel("disable-arm-fast-isel",
+ cl::desc("Turn on experimental ARM fast-isel support"),
+ cl::init(false), cl::Hidden);
namespace {
@@ -1555,7 +1555,11 @@
namespace llvm {
llvm::FastISel *ARM::createFastISel(FunctionLoweringInfo &funcInfo) {
- if (EnableARMFastISel) return new ARMFastISel(funcInfo);
+ // Completely untested on non-darwin.
+ const TargetMachine &TM = funcInfo.MF->getTarget();
+ const ARMSubtarget *Subtarget = &TM.getSubtarget<ARMSubtarget>();
+ if (Subtarget->isTargetDarwin() && !DisableARMFastISel)
+ return new ARMFastISel(funcInfo);
return 0;
}
}