[llvm] [AMDGPU] Change control flow intrinsic lowering making the wave to re… (PR #86805)

[Matt Arsenault via llvm-commits]

================
@@ -82,6 +82,9 @@ class SILowerControlFlow : public MachineFunctionPass {
   SmallSet<Register, 8> RecomputeRegs;
 
   const TargetRegisterClass *BoolRC = nullptr;
+  long unsigned TestMask;
----------------
arsenm wrote:

uint64_t 

https://github.com/llvm/llvm-project/pull/86805