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| author | Evan Cheng <evan.cheng@apple.com> | 2010-02-04 06:47:24 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-02-04 06:47:24 +0000 |
| commit | aeba2250a571d9d324a9e0691357c9ec266f010b (patch) | |
| tree | ba9af670f2d9cdff84970db430a756ef24277d6d /llvm/lib/Target | |
| parent | 107a1fbf611a47d845b79d545e37c8f5d8f68c7b (diff) | |
| download | bcm5719-llvm-aeba2250a571d9d324a9e0691357c9ec266f010b.tar.gz bcm5719-llvm-aeba2250a571d9d324a9e0691357c9ec266f010b.zip | |
Re-enable x86 tail call optimization.
llvm-svn: 95295
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index a44afb502c6..40f720b168b 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -52,7 +52,6 @@ using namespace llvm; STATISTIC(NumTailCalls, "Number of tail calls"); -static cl::opt<unsigned> TailCallLimit("tailcall-limit", cl::init(0)); static cl::opt<bool> DisableMMX("disable-mmx", cl::Hidden, cl::desc("Disable use of MMX")); @@ -2271,8 +2270,6 @@ X86TargetLowering::IsEligibleForTailCallOptimization(SDValue Callee, // Look for obvious safe cases to perform tail call optimization that does not // requite ABI changes. This is what gcc calls sibcall. - if (NumTailCalls >= TailCallLimit) - return false; // Do not tail call optimize vararg calls for now. if (isVarArg) |
