Cleanup and remove a chunk of getARMSubtarget calls in the

[oota-llvm.git] / lib / Target / ARM / Thumb2SizeReduction.cpp

diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp
index 2ee908bb1885a30af4007475c82774936caac6fd..6792f8b1f80d8fdc4c15b13242d7b22e09366f29 100644 (file)
--- a/lib/Target/ARM/Thumb2SizeReduction.cpp
+++ b/lib/Target/ARM/Thumb2SizeReduction.cpp
@@ -1002,6 +1002,9 @@ bool Thumb2SizeReduce::ReduceMBB(MachineBasicBlock &MBB) {
 
 bool Thumb2SizeReduce::runOnMachineFunction(MachineFunction &MF) {
   STI = &static_cast<const ARMSubtarget &>(MF.getSubtarget());
+  if (STI->isThumb1Only() || STI->prefers32BitThumb())
+    return false;
+
   TII = static_cast<const Thumb2InstrInfo *>(STI->getInstrInfo());
 
   // Optimizing / minimizing size?