[Hexagon] Fix alignment calculation of stack objects in Hexagon bit tracker

llvm-svn: 325580

3 files changed, 6 insertions, 6 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp
index 0c4a727734f..849bba987c3 100644
--- a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp
@@ -184,9 +184,7 @@ namespace {
   public:
     static char ID;
 
-    HexagonBitSimplify() : MachineFunctionPass(ID) {
-      initializeHexagonBitSimplifyPass(*PassRegistry::getPassRegistry());
-    }
+    HexagonBitSimplify() : MachineFunctionPass(ID) {}
 
     StringRef getPassName() const override {
       return "Hexagon bit simplification";
@@ -257,10 +255,10 @@ namespace {
 
 char HexagonBitSimplify::ID = 0;
 
-INITIALIZE_PASS_BEGIN(HexagonBitSimplify, "hexbit",
+INITIALIZE_PASS_BEGIN(HexagonBitSimplify, "hexagon-bit-simplify",
       "Hexagon bit simplification", false, false)
 INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
-INITIALIZE_PASS_END(HexagonBitSimplify, "hexbit",
+INITIALIZE_PASS_END(HexagonBitSimplify, "hexagon-bit-simplify",
       "Hexagon bit simplification", false, false)
 
 bool HexagonBitSimplify::visitBlock(MachineBasicBlock &B, Transformation &T,
diff --git a/llvm/lib/Target/Hexagon/HexagonBitTracker.cpp b/llvm/lib/Target/Hexagon/HexagonBitTracker.cpp
index b6e220beb0c..e13cfd3f655 100644
--- a/llvm/lib/Target/Hexagon/HexagonBitTracker.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonBitTracker.cpp
@@ -325,7 +325,7 @@ bool HexagonEvaluator::evaluate(const MachineInstr &MI,
       int FI = op(1).getIndex();
       int Off = op(2).getImm();
       unsigned A = MFI.getObjectAlignment(FI) + std::abs(Off);
-      unsigned L = Log2_32(A);
+      unsigned L = countTrailingZeros(A);
       RegisterCell RC = RegisterCell::self(Reg[0].Reg, W0);
       RC.fill(0, L, BT::BitValue::Zero);
       return rr0(RC, Outputs);
diff --git a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
index 80ae474822c..5dd02a02bb7 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -121,6 +121,7 @@ SchedCustomRegistry("hexagon", "Run Hexagon's custom scheduler",
 
 namespace llvm {
   extern char &HexagonExpandCondsetsID;
+  void initializeHexagonBitSimplifyPass(PassRegistry&);
   void initializeHexagonConstExtendersPass(PassRegistry&);
   void initializeHexagonEarlyIfConversionPass(PassRegistry&);
   void initializeHexagonExpandCondsetsPass(PassRegistry&);
@@ -185,6 +186,7 @@ extern "C" void LLVMInitializeHexagonTarget() {
   RegisterTargetMachine<HexagonTargetMachine> X(getTheHexagonTarget());
 
   PassRegistry &PR = *PassRegistry::getPassRegistry();
+  initializeHexagonBitSimplifyPass(PR);
   initializeHexagonConstExtendersPass(PR);
   initializeHexagonEarlyIfConversionPass(PR);
   initializeHexagonGenMuxPass(PR);