Fix BL definition. BL is no call and does not read SP.

Author: Rot127

llvm/lib/Target/AArch64/AArch64InstrInfo.td

@@ -2648,9 +2648,9 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
 def B  : BranchImm<0, "b", [(br bb:$addr)]>;
 } // isBranch, isTerminator, isBarrier
 
-let isCall = 1, Defs = [LR], Uses = [SP] in {
-def BL : CallImm<1, "bl", [(AArch64call tglobaladdr:$addr)]>;
-} // isCall
+let isBranch = 1, Defs = [LR] in {
+def BL : BranchImm<1, "bl", [(AArch64adr tglobaladdr:$addr)]>;
+} // isBranch
 def : Pat<(AArch64call texternalsym:$func), (BL texternalsym:$func)>;
 
 //===----------------------------------------------------------------------===//