From a54db0c48597d68e54528d0ae129f1f1ea4c0b50 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Wed, 4 Aug 2010 18:07:17 +0000 Subject: [PATCH] Remove switch for disabling ARM tail calls. They seem to be working correctly. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110226 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMISelLowering.cpp | 9 --------- 1 file changed, 9 deletions(-) diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 92fb442ac75..db550b1c429 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -51,12 +51,6 @@ using namespace llvm; STATISTIC(NumTailCalls, "Number of tail calls"); -// This option should go away when tail calls fully work. -static cl::opt -EnableARMTailCalls("arm-tail-calls", cl::Hidden, - cl::desc("Generate tail calls (TEMPORARY OPTION)."), - cl::init(true)); - // This option should go away when Machine LICM is smart enough to hoist a // reg-to-reg VDUP. static cl::opt @@ -1123,9 +1117,6 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee, MachineFunction &MF = DAG.getMachineFunction(); bool IsStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet(); bool IsSibCall = false; - // Temporarily disable tail calls so things don't break. - if (!EnableARMTailCalls) - isTailCall = false; if (isTailCall) { // Check if it's really possible to do a tail call. isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv,