From: Akira Hatanaka <ahatanaka@mips.com>
Date: Tue, 30 Oct 2012 19:07:58 +0000 (+0000)
Subject: Do not do tail-call optimization if target is mips16.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=e7b406d7ac150189522f0a139f1a2f76bde2cb26;p=oota-llvm.git

Do not do tail-call optimization if target is mips16.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167039 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index b485b5ea16d..4479c48a915 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -2665,6 +2665,10 @@ IsEligibleForTailCallOptimization(const MipsCC &MipsCCInfo, bool IsVarArg,
   if (!EnableMipsTailCalls)
     return false;
 
+  // No tail call optimization for mips16.
+  if (Subtarget->inMips16Mode())
+    return false;
+
   if (MipsCCInfo.hasByValArg() || IsVarArg)
     return false;