Revert "[MachineVerifier] Try harder to verify LiveVariables"

This reverts commit d4650d0938e290ca9d6544d6b07da2fb7156762d.

Reverted because it causes several X86 CodeGen test failures in a build
with LLVM_ENABLE_EXPENSIVE_CHECKS=ON.

diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index 6ef36d8..011d60d 100644 (file)
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -294,7 +294,6 @@ namespace {
 
     void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.addUsedIfAvailable<LiveStacks>();
-      AU.addUsedIfAvailable<LiveVariables>();
       AU.setPreservesAll();
       MachineFunctionPass::getAnalysisUsage(AU);
     }