diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index 7236fdeb8be..1cca1f1e14b 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -41,6 +41,10 @@ using namespace llvm; STATISTIC(NumLoadMoved, "Number of loads moved below TokenFactor"); +static cl::opt<bool> AndImmShrink("x86-and-imm-shrink", cl::init(true), + cl::desc("Enable setting constant bits to reduce size of mask immediates"), + cl::Hidden); + //===----------------------------------------------------------------------===// // Pattern Matcher Implementation //===----------------------------------------------------------------------===// @@ -2927,7 +2931,7 @@ void X86DAGToDAGISel::Select(SDNode *Node) { case ISD::AND: if (matchBEXTRFromAnd(Node)) return; - if (shrinkAndImmediate(Node)) + if (AndImmShrink && shrinkAndImmediate(Node)) return; LLVM_FALLTHROUGH; |
