Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989

r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265

1 files changed, 0 insertions, 13 deletions

diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index 435be0c05cd..6c96785aa10 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -203,7 +203,6 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) {
 
   BasicBlock *OrigBB = TheCall->getParent();
   Function *Caller = OrigBB->getParent();
-  BasicBlock *UnwindBB = OrigBB->getUnwindDest();
 
   // GC poses two hazards to inlining, which only occur when the callee has GC:
   //  1. If the caller has no GC, then the callee's GC must be propagated to the
@@ -419,18 +418,6 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD) {
       }
     }
 
-  // If we are inlining a function that unwinds into a BB with an unwind dest,
-  // turn the inlined unwinds into branches to the unwind dest.
-  if (InlinedFunctionInfo.ContainsUnwinds && UnwindBB && isa<CallInst>(TheCall))
-    for (Function::iterator BB = FirstNewBlock, E = Caller->end();
-         BB != E; ++BB) {
-      TerminatorInst *Term = BB->getTerminator();
-      if (isa<UnwindInst>(Term)) {
-        BranchInst::Create(UnwindBB, Term);
-        BB->getInstList().erase(Term);
-      }
-    }
-
   // If we are inlining for an invoke instruction, we must make sure to rewrite
   // any inlined 'unwind' instructions into branches to the invoke exception
   // destination, and call instructions into invoke instructions.