remove autoupgrade support for really old-style debug info intrinsics.

I think this is the last of autoupgrade that can be removed in 3.1.
Can the atomic upgrade stuff also go?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145169 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 42 deletions

diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp
index 2fb1b8a..167ce7b 100644
--- a/lib/VMCore/AutoUpgrade.cpp
+++ b/lib/VMCore/AutoUpgrade.cpp
@@ -299,45 +299,3 @@ void llvm::UpgradeCallsToIntrinsic(Function* F) {
   }
 }
 
-/// This function strips all debug info intrinsics, except for llvm.dbg.declare.
-/// If an llvm.dbg.declare intrinsic is invalid, then this function simply
-/// strips that use.
-void llvm::CheckDebugInfoIntrinsics(Module *M) {
-  if (Function *FuncStart = M->getFunction("llvm.dbg.func.start")) {
-    while (!FuncStart->use_empty())
-      cast<CallInst>(FuncStart->use_back())->eraseFromParent();
-    FuncStart->eraseFromParent();
-  }
-  
-  if (Function *StopPoint = M->getFunction("llvm.dbg.stoppoint")) {
-    while (!StopPoint->use_empty())
-      cast<CallInst>(StopPoint->use_back())->eraseFromParent();
-    StopPoint->eraseFromParent();
-  }
-
-  if (Function *RegionStart = M->getFunction("llvm.dbg.region.start")) {
-    while (!RegionStart->use_empty())
-      cast<CallInst>(RegionStart->use_back())->eraseFromParent();
-    RegionStart->eraseFromParent();
-  }
-
-  if (Function *RegionEnd = M->getFunction("llvm.dbg.region.end")) {
-    while (!RegionEnd->use_empty())
-      cast<CallInst>(RegionEnd->use_back())->eraseFromParent();
-    RegionEnd->eraseFromParent();
-  }
-  
-  if (Function *Declare = M->getFunction("llvm.dbg.declare")) {
-    if (!Declare->use_empty()) {
-      DbgDeclareInst *DDI = cast<DbgDeclareInst>(Declare->use_back());
-      if (!isa<MDNode>(DDI->getArgOperand(0)) ||
-          !isa<MDNode>(DDI->getArgOperand(1))) {
-        while (!Declare->use_empty()) {
-          CallInst *CI = cast<CallInst>(Declare->use_back());
-          CI->eraseFromParent();
-        }
-        Declare->eraseFromParent();
-      }
-    }
-  }
-}