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Diffstat (limited to 'lib/Target/X86/X86ISelDAGToDAG.cpp')
-rw-r--r--lib/Target/X86/X86ISelDAGToDAG.cpp16
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 4b698cec1a..7da43e97dc 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -134,8 +134,8 @@ namespace {
bool OptForSize;
public:
- X86DAGToDAGISel(X86TargetMachine &tm, bool fast)
- : SelectionDAGISel(tm, fast),
+ explicit X86DAGToDAGISel(X86TargetMachine &tm, unsigned OptLevel)
+ : SelectionDAGISel(tm, OptLevel),
TM(tm), X86Lowering(*TM.getTargetLowering()),
Subtarget(&TM.getSubtarget<X86Subtarget>()),
OptForSize(false) {}
@@ -306,7 +306,7 @@ static inline bool isNonImmUse(SDNode *Root, SDNode *Def, SDNode *ImmedUse) {
bool X86DAGToDAGISel::IsLegalAndProfitableToFold(SDNode *N, SDNode *U,
SDNode *Root) const {
- if (Fast) return false;
+ if (OptLevel == 0) return false;
if (U == Root)
switch (U->getOpcode()) {
@@ -512,7 +512,7 @@ static bool isCalleeLoad(SDValue Callee, SDValue &Chain) {
/// PreprocessForRMW - Preprocess the DAG to make instruction selection better.
-/// This is only run if not in -fast mode (aka -O0).
+/// This is only run if not in -O0 mode.
/// This allows the instruction selector to pick more read-modify-write
/// instructions. This is a common case:
///
@@ -714,10 +714,10 @@ void X86DAGToDAGISel::InstructionSelect() {
OptForSize = F->hasFnAttr(Attribute::OptimizeForSize);
DEBUG(BB->dump());
- if (!Fast)
+ if (OptLevel != 0)
PreprocessForRMW();
- // FIXME: This should only happen when not -fast.
+ // FIXME: This should only happen when not compiled with -O0.
PreprocessForFPConvert();
// Codegen the basic block.
@@ -1744,6 +1744,6 @@ SelectInlineAsmMemoryOperand(const SDValue &Op, char ConstraintCode,
/// createX86ISelDag - This pass converts a legalized DAG into a
/// X86-specific DAG, ready for instruction scheduling.
///
-FunctionPass *llvm::createX86ISelDag(X86TargetMachine &TM, bool Fast) {
- return new X86DAGToDAGISel(TM, Fast);
+FunctionPass *llvm::createX86ISelDag(X86TargetMachine &TM, unsigned OptLevel) {
+ return new X86DAGToDAGISel(TM, OptLevel);
}