Revert "Restore "Implement convergence control in MIR using SelectionDAG (#71785)""

This reverts commit c7fdd8c11e54585dc9d15d63de9742067e0506b9.

Reason: Broke the sanitizer buildbots. See the comments at
https://github.com/llvm/llvm-project/pull/71785
for more information.

1 files changed, 0 insertions, 10 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index e01cd8c..4172fbc 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -395,16 +395,6 @@ Register FunctionLoweringInfo::CreateRegs(const Value *V) {
                                       !TLI->requiresUniformRegister(*MF, V));
 }
 
-Register FunctionLoweringInfo::InitializeRegForValue(const Value *V) {
-  // Tokens live in vregs only when used for convergence control.
-  if (V->getType()->isTokenTy() && !isa<ConvergenceControlInst>(V))
-    return 0;
-  Register &R = ValueMap[V];
-  assert(R == Register() && "Already initialized this value register!");
-  assert(VirtReg2Value.empty());
-  return R = CreateRegs(V);
-}
-
 /// GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the
 /// register is a PHI destination and the PHI's LiveOutInfo is not valid. If
 /// the register's LiveOutInfo is for a smaller bit width, it is extended to