Complete the existing support of ARM v6m, v7m, and v7em, i.e., respectively cortex...

[oota-llvm.git] / lib / Target / Mips / Mips16RegisterInfo.cpp

diff --git a/lib/Target/Mips/Mips16RegisterInfo.cpp b/lib/Target/Mips/Mips16RegisterInfo.cpp
index ff0f5a0dfbc2c83e635e927d56f34b06c97b362c..c2e09a72063b9e2be249d6e6d34e74c8efe26577 100644 (file)
--- a/lib/Target/Mips/Mips16RegisterInfo.cpp
+++ b/lib/Target/Mips/Mips16RegisterInfo.cpp
@@ -24,9 +24,10 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/Constants.h"
 #include "llvm/DebugInfo.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/Type.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -35,7 +36,6 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
-#include "llvm/Type.h"
 
 using namespace llvm;
 
@@ -146,6 +146,10 @@ void Mips16RegisterInfo::eliminateFI(MachineBasicBlock::iterator II,
 
   DEBUG(errs() << "Offset     : " << Offset << "\n" << "<--------->\n");
 
+  if (!MI.isDebugValue() && ( ((FrameReg != Mips::SP) && !isInt<16>(Offset)) ||
+      ((FrameReg == Mips::SP) && !isInt<15>(Offset)) )) {
+    llvm_unreachable("frame offset does not fit in instruction");
+  }
   MI.getOperand(OpNo).ChangeToRegister(FrameReg, false);
   MI.getOperand(OpNo + 1).ChangeToImmediate(Offset);