X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMips16InstrInfo.cpp;h=a49572efdbf99ef392cf9e53331507a9a61e880e;hb=bd75a9292e761dcab32855e322d9985d7d787d1e;hp=976beccfed9d17a8e2c049905f99cc3176c0c438;hpb=9bf73516cb2e6709ea0a62d9053ec97ccc5e5388;p=oota-llvm.git

diff --git a/lib/Target/Mips/Mips16InstrInfo.cpp b/lib/Target/Mips/Mips16InstrInfo.cpp
index 976beccfed9..a49572efdbf 100644
--- a/lib/Target/Mips/Mips16InstrInfo.cpp
+++ b/lib/Target/Mips/Mips16InstrInfo.cpp
@@ -1,4 +1,3 @@
-
 //===-- Mips16InstrInfo.cpp - Mips16 Instruction Information --------------===//
 //
 //                     The LLVM Compiler Infrastructure
@@ -25,6 +24,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
 #include <cctype>
 
 using namespace llvm;
@@ -32,7 +32,7 @@ using namespace llvm;
 #define DEBUG_TYPE "mips16-instrinfo"
 
 Mips16InstrInfo::Mips16InstrInfo(const MipsSubtarget &STI)
-    : MipsInstrInfo(STI, Mips::Bimm16), RI(STI) {}
+    : MipsInstrInfo(STI, Mips::Bimm16), RI() {}
 
 const MipsRegisterInfo &Mips16InstrInfo::getRegisterInfo() const {
   return RI;
@@ -293,6 +293,9 @@ void Mips16InstrInfo::adjustStackPtrBigUnrestricted(
 void Mips16InstrInfo::adjustStackPtr(unsigned SP, int64_t Amount,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const {
+  if (Amount == 0)
+    return;
+
   if (isInt<16>(Amount))  // need to change to addiu sp, ....and isInt<16>
     BuildAddiuSpImm(MBB, I, Amount);
   else