[X86][Codegen] X86DAGToDAGISel::matchBitExtract(): consistently capture lambdas by value

llvm-svn: 364420

1 files changed, 6 insertions, 7 deletions

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index f4ca21ed7b8..9b7b1cfab76 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -3159,7 +3159,7 @@ bool X86DAGToDAGISel::matchBitExtract(SDNode *Node) {
   };
 
   // a) x & ((1 << nbits) + (-1))
-  auto matchPatternA = [&checkOneUse, peekThroughOneUseTruncation,
+  auto matchPatternA = [checkOneUse, peekThroughOneUseTruncation,
                         &NBits](SDValue Mask) -> bool {
     // Match `add`. Must only have one use!
     if (Mask->getOpcode() != ISD::ADD || !checkOneUse(Mask))
@@ -3185,7 +3185,7 @@ bool X86DAGToDAGISel::matchBitExtract(SDNode *Node) {
   };
 
   // b) x & ~(-1 << nbits)
-  auto matchPatternB = [&checkOneUse, isAllOnes, &peekThroughOneUseTruncation,
+  auto matchPatternB = [checkOneUse, isAllOnes, peekThroughOneUseTruncation,
                         &NBits](SDValue Mask) -> bool {
     // Match `~()`. Must only have one use!
     if (Mask.getOpcode() != ISD::XOR || !checkOneUse(Mask))
@@ -3225,7 +3225,7 @@ bool X86DAGToDAGISel::matchBitExtract(SDNode *Node) {
   };
 
   // c) x &  (-1 >> (32 - y))
-  auto matchPatternC = [&checkOneUse, &peekThroughOneUseTruncation,
+  auto matchPatternC = [checkOneUse, peekThroughOneUseTruncation,
                         matchShiftAmt](SDValue Mask) -> bool {
     // The mask itself may be truncated.
     Mask = peekThroughOneUseTruncation(Mask);
@@ -3246,7 +3246,7 @@ bool X86DAGToDAGISel::matchBitExtract(SDNode *Node) {
   SDValue X;
 
   // d) x << (32 - y) >> (32 - y)
-  auto matchPatternD = [&checkOneUse, &checkTwoUse, matchShiftAmt,
+  auto matchPatternD = [checkOneUse, checkTwoUse, matchShiftAmt,
                         &X](SDNode *Node) -> bool {
     if (Node->getOpcode() != ISD::SRL)
       return false;
@@ -3266,9 +3266,8 @@ bool X86DAGToDAGISel::matchBitExtract(SDNode *Node) {
     return true;
   };
 
-  auto matchLowBitMask = [&matchPatternA, &matchPatternB,
-                          &matchPatternC](SDValue Mask) -> bool {
-    // FIXME: pattern c.
+  auto matchLowBitMask = [matchPatternA, matchPatternB,
+                          matchPatternC](SDValue Mask) -> bool {
     return matchPatternA(Mask) || matchPatternB(Mask) || matchPatternC(Mask);
   };