Adjust codegen parameters

Created using spr 1.3.5

Author: koachan

llvm/lib/Target/Sparc/SparcISelLowering.cpp

@@ -3588,6 +3588,8 @@ bool SparcTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT,
          Imm.isZero();
 }
 
+bool SparcTargetLowering::isCtlzFast() const { return Subtarget->isVIS3(); }
+
 // Override to disable global variable loading on Linux.
 void SparcTargetLowering::insertSSPDeclarations(Module &M) const {
   if (!Subtarget->isTargetLinux())

llvm/lib/Target/Sparc/SparcISelLowering.h

@@ -210,6 +210,12 @@ namespace llvm {
     bool isFPImmLegal(const APFloat &Imm, EVT VT,
                       bool ForCodeSize) const override;
 
+    bool isCtlzFast() const override;
+
+    bool isCheapToSpeculateCtlz(Type *Ty) const override {
+      return isCtlzFast();
+    }
+
     bool shouldInsertFencesForAtomic(const Instruction *I) const override {
       // FIXME: We insert fences for each atomics and generate
       // sub-optimal code for PSO/TSO. (Approximately nobody uses any