#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Support/CFG.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/PatternMatch.h"
STATISTIC(NumFactor , "Number of factorizations");
STATISTIC(NumReassoc , "Number of reassociations");
+static cl::opt<bool> UnsafeFPShrink("enable-double-float-shrink", cl::Hidden,
+ cl::init(false),
+ cl::desc("Enable unsafe double to float "
+ "shrinking for math lib calls"));
+
// Initialization Routines
void llvm::initializeInstCombine(PassRegistry &Registry) {
initializeInstCombinerPass(Registry);
InstCombinerLibCallSimplifier(const DataLayout *TD,
const TargetLibraryInfo *TLI,
InstCombiner *IC)
- : LibCallSimplifier(TD, TLI) {
+ : LibCallSimplifier(TD, TLI, UnsafeFPShrink) {
this->IC = IC;
}