Prevent ARM assembler from losing a right shift by #32 applied to a register

[oota-llvm.git] / lib / Target / X86 / X86VZeroUpper.cpp

diff --git a/lib/Target/X86/X86VZeroUpper.cpp b/lib/Target/X86/X86VZeroUpper.cpp
index 9bb54a826bd126c1880d3323157f7a939f686eb2..e4f567ffd5d9a59f5d823527df7883344dd20841 100644 (file)
--- a/lib/Target/X86/X86VZeroUpper.cpp
+++ b/lib/Target/X86/X86VZeroUpper.cpp
@@ -145,7 +145,7 @@ bool VZeroUpperInserter::runOnMachineFunction(MachineFunction &MF) {
   // to insert any VZEROUPPER instructions.  This is constant-time, so it is
   // cheap in the common case of no ymm use.
   bool YMMUsed = false;
-  TargetRegisterClass *RC = X86::VR256RegisterClass;
+  const TargetRegisterClass *RC = &X86::VR256RegClass;
   for (TargetRegisterClass::iterator i = RC->begin(), e = RC->end();
        i != e; i++) {
     if (MRI.isPhysRegUsed(*i)) {
@@ -205,7 +205,7 @@ bool VZeroUpperInserter::processBasicBlock(MachineFunction &MF,
   }
 
 
-  // The entry MBB for the function may set the inital state to dirty if
+  // The entry MBB for the function may set the initial state to dirty if
   // the function receives any YMM incoming arguments
   if (MBB == MF.begin()) {
     EntryState = ST_CLEAN;
@@ -220,7 +220,7 @@ bool VZeroUpperInserter::processBasicBlock(MachineFunction &MF,
   for (MachineBasicBlock::iterator I = BB.begin(); I != BB.end(); ++I) {
     MachineInstr *MI = I;
     DebugLoc dl = I->getDebugLoc();
-    bool isControlFlow = MI->getDesc().isCall() || MI->getDesc().isReturn();
+    bool isControlFlow = MI->isCall() || MI->isReturn();
 
     // Shortcut: don't need to check regular instructions in dirty state. 
     if (!isControlFlow && CurState == ST_DIRTY)