git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112287
91177308-0d34-0410-b5e6-
96231b3b80d8
Aggressive("aggressive-ext-opt", cl::Hidden,
cl::desc("Aggressive extension optimization"));
Aggressive("aggressive-ext-opt", cl::Hidden,
cl::desc("Aggressive extension optimization"));
-STATISTIC(NumReuse, "Number of extension results reused");
-
-// Optimize Comparisons
-static cl::opt<bool>
-EnableOptCmps("enable-optimize-cmps", cl::init(true), cl::Hidden);
-
+STATISTIC(NumReuse, "Number of extension results reused");
STATISTIC(NumEliminated, "Number of compares eliminated");
namespace {
STATISTIC(NumEliminated, "Number of compares eliminated");
namespace {
/// the flag from the previous instruction.
bool PeepholeOptimizer::OptimizeCmpInstr(MachineInstr *MI,
MachineBasicBlock *MBB) {
/// the flag from the previous instruction.
bool PeepholeOptimizer::OptimizeCmpInstr(MachineInstr *MI,
MachineBasicBlock *MBB) {
- if (!EnableOptCmps) return false;
-
// If this instruction is a comparison against zero and isn't comparing a
// physical register, we can try to optimize it.
unsigned SrcReg;
// If this instruction is a comparison against zero and isn't comparing a
// physical register, we can try to optimize it.
unsigned SrcReg;