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Remove switch for disabling ARM tail calls. They

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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
This commit is contained in:
Dale Johannesen 2010-08-04 18:07:17 +00:00
parent 5c1d941f00
commit a54db0c485
1 changed files with 0 additions and 9 deletions
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9
lib/Target/ARM/ARMISelLowering.cpp
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@ -51,12 +51,6 @@ using namespace llvm;
STATISTIC(NumTailCalls, "Number of tail calls"); STATISTIC(NumTailCalls, "Number of tail calls");
// This option should go away when tail calls fully work.
static cl::opt<bool>
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 // This option should go away when Machine LICM is smart enough to hoist a
// reg-to-reg VDUP. // reg-to-reg VDUP.
static cl::opt<bool> static cl::opt<bool>
@ -1123,9 +1117,6 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
MachineFunction &MF = DAG.getMachineFunction(); MachineFunction &MF = DAG.getMachineFunction();
bool IsStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet(); bool IsStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet();
bool IsSibCall = false; bool IsSibCall = false;
// Temporarily disable tail calls so things don't break.
if (!EnableARMTailCalls)
isTailCall = false;
if (isTailCall) { if (isTailCall) {
// Check if it's really possible to do a tail call. // Check if it's really possible to do a tail call.
isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv, isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv,