Revert "[X86] Use push-pop for materializing small constants under 'minsize'"

[oota-llvm.git] / lib / Target / X86 / X86ISelDAGToDAG.cpp

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 4414e478b99bfcc3385bfe0c7a53fc98781f487d..868ae4e19e55b27d6d246c67ee8864d02401c8be 100644 (file)
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -157,13 +157,9 @@ namespace {
     /// performance.
     bool OptForSize;
 
-    /// If true, selector should try to optimize for minimum code size.
-    bool OptForMinSize;
-
   public:
     explicit X86DAGToDAGISel(X86TargetMachine &tm, CodeGenOpt::Level OptLevel)
-        : SelectionDAGISel(tm, OptLevel), OptForSize(false),
-          OptForMinSize(false) {}
+        : SelectionDAGISel(tm, OptLevel), OptForSize(false) {}
 
     const char *getPassName() const override {
       return "X86 DAG->DAG Instruction Selection";
@@ -535,10 +531,8 @@ static bool isCalleeLoad(SDValue Callee, SDValue &Chain, bool HasCallSeq) {
 }
 
 void X86DAGToDAGISel::PreprocessISelDAG() {
-  // OptFor[Min]Size are used in pattern predicates that isel is matching.
+  // OptForSize is used in pattern predicates that isel is matching.
   OptForSize = MF->getFunction()->optForSize();
-  OptForMinSize = MF->getFunction()->optForMinSize();
-  assert((!OptForMinSize || OptForSize) && "OptForMinSize implies OptForSize");
 
   for (SelectionDAG::allnodes_iterator I = CurDAG->allnodes_begin(),
        E = CurDAG->allnodes_end(); I != E; ) {