Don't cache the instruction and register info from the TargetMachine, because

the internals of TargetMachine could change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183490 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/Target/Hexagon/HexagonCallingConvLower.cpp b/lib/Target/Hexagon/HexagonCallingConvLower.cpp
index 2c93d04f98..fc5503aae2 100644
--- a/lib/Target/Hexagon/HexagonCallingConvLower.cpp
+++ b/lib/Target/Hexagon/HexagonCallingConvLower.cpp
@@ -27,12 +27,11 @@ Hexagon_CCState::Hexagon_CCState(CallingConv::ID CC, bool isVarArg,
                                  const TargetMachine &tm,
                                  SmallVector<CCValAssign, 16> &locs,
                                  LLVMContext &c)
-  : CallingConv(CC), IsVarArg(isVarArg), TM(tm),
-    TRI(*TM.getRegisterInfo()), Locs(locs), Context(c) {
+  : CallingConv(CC), IsVarArg(isVarArg), TM(tm), Locs(locs), Context(c) {
   // No stack is used.
   StackOffset = 0;
 
-  UsedRegs.resize((TRI.getNumRegs()+31)/32);
+  UsedRegs.resize((TM.getRegisterInfo()->getNumRegs()+31)/32);
 }
 
 // HandleByVal - Allocate a stack slot large enough to pass an argument by
@@ -56,6 +55,7 @@ void Hexagon_CCState::HandleByVal(unsigned ValNo, EVT ValVT,
 
 /// MarkAllocated - Mark a register and all of its aliases as allocated.
 void Hexagon_CCState::MarkAllocated(unsigned Reg) {
+  const TargetRegisterInfo &TRI = *TM.getRegisterInfo();
   for (MCRegAliasIterator AI(Reg, &TRI, true); AI.isValid(); ++AI)
     UsedRegs[*AI/32] |= 1 << (*AI&31);
 }