eliminate the TargetInstrInfo::GetInstSizeInBytes hook. 
ARM/PPC/MSP430-specific code (which are the only targets that
implement the hook) can directly reference their target-specific
instrinfo classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109171 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp
index 50ba0d1..00296ee 100644
--- a/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -165,7 +165,7 @@
     /// HasInlineAsm - True if the function contains inline assembly.
     bool HasInlineAsm;
 
-    const TargetInstrInfo *TII;
+    const ARMInstrInfo *TII;
     const ARMSubtarget *STI;
     ARMFunctionInfo *AFI;
     bool isThumb;
@@ -272,7 +272,7 @@
 bool ARMConstantIslands::runOnMachineFunction(MachineFunction &MF) {
   MachineConstantPool &MCP = *MF.getConstantPool();
 
-  TII = MF.getTarget().getInstrInfo();
+  TII = (const ARMInstrInfo*)MF.getTarget().getInstrInfo();
   AFI = MF.getInfo<ARMFunctionInfo>();
   STI = &MF.getTarget().getSubtarget<ARMSubtarget>();