Enable Thumb2 instruction shrinking (32-bit to 16-bit) pass. Convert a bunch of thumb2 tests to FileCheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78622 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 5 deletions

diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index 5666740..2377fab 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -26,9 +26,6 @@ static cl::opt<bool> DisableLdStOpti("disable-arm-loadstore-opti", cl::Hidden,
                               cl::desc("Disable load store optimization pass"));
 static cl::opt<bool> DisableIfConversion("disable-arm-if-conversion",cl::Hidden,
                               cl::desc("Disable if-conversion pass"));
-static cl::opt<bool> Thumb2Shrink("shrink-thumb2-instructions", cl::Hidden,
-                  cl::desc("Shrink 32-bit Thumb2 instructions to 16-bit ones"));
-
 extern "C" void LLVMInitializeARMTarget() { 
   // Register the target.
   RegisterTargetMachine<ARMTargetMachine> X(TheARMTarget);
@@ -117,8 +114,7 @@ bool ARMBaseTargetMachine::addPreEmitPass(PassManagerBase &PM,
 
   if (Subtarget.isThumb2()) {
     PM.add(createThumb2ITBlockPass());
-    if (Thumb2Shrink)
-      PM.add(createThumb2SizeReductionPass());
+    PM.add(createThumb2SizeReductionPass());
   }
 
   PM.add(createARMConstantIslandPass());