commit db82d2f33827dc44dc0076ad26a1a0f4638719c5
author David Majnemer <david.majnemer@gmail.com> Fri Jul 10 07:15:17 2015 +0000
committer David Majnemer <david.majnemer@gmail.com> Fri Jul 10 07:15:17 2015 +0000
tree 426d1932604bec0dc540456540d91402c644e66a
parent 0f70ee9017d080e5a068647a8e3717c483c4c51b

Revert the new EH instructions

This reverts commits r241888-r241891, I didn't mean to commit them.

llvm-svn: 241893

llvm/lib/Transforms/Scalar/ADCE.cpp

diff --git a/llvm/lib/Transforms/Scalar/ADCE.cpp b/llvm/lib/Transforms/Scalar/ADCE.cpp
index 0c707c4..d6fc916 100644
--- a/llvm/lib/Transforms/Scalar/ADCE.cpp
+++ b/llvm/lib/Transforms/Scalar/ADCE.cpp
@@ -58,8 +58,8 @@
 
   // Collect the set of "root" instructions that are known live.
   for (Instruction &I : inst_range(F)) {
-    if (isa<TerminatorInst>(I) || isa<DbgInfoIntrinsic>(I) || I.isEHBlock() ||
-        I.mayHaveSideEffects()) {
+    if (isa<TerminatorInst>(I) || isa<DbgInfoIntrinsic>(I) ||
+        isa<LandingPadInst>(I) || I.mayHaveSideEffects()) {
       Alive.insert(&I);
       Worklist.push_back(&I);
     }

llvm/lib/Transforms/Scalar/BDCE.cpp

diff --git a/llvm/lib/Transforms/Scalar/BDCE.cpp b/llvm/lib/Transforms/Scalar/BDCE.cpp
index e484069..09c605e 100644
--- a/llvm/lib/Transforms/Scalar/BDCE.cpp
+++ b/llvm/lib/Transforms/Scalar/BDCE.cpp
@@ -77,8 +77,8 @@
                     false, false)
 
 static bool isAlwaysLive(Instruction *I) {
-  return isa<TerminatorInst>(I) || isa<DbgInfoIntrinsic>(I) || I->isEHBlock() ||
-         I->mayHaveSideEffects();
+  return isa<TerminatorInst>(I) || isa<DbgInfoIntrinsic>(I) ||
+         isa<LandingPadInst>(I) || I->mayHaveSideEffects();
 }
 
 void BDCE::determineLiveOperandBits(const Instruction *UserI,

llvm/lib/Transforms/Scalar/JumpThreading.cpp

diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
index e845a7f..1130d22 100644
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -669,8 +669,7 @@
   // because now the condition in this block can be threaded through
   // predecessors of our predecessor block.
   if (BasicBlock *SinglePred = BB->getSinglePredecessor()) {
-    const TerminatorInst *TI = SinglePred->getTerminator();
-    if (!TI->isExceptional() && TI->getNumSuccessors() == 1 &&
+    if (SinglePred->getTerminator()->getNumSuccessors() == 1 &&
         SinglePred != BB && !hasAddressTakenAndUsed(BB)) {
       // If SinglePred was a loop header, BB becomes one.
       if (LoopHeaders.erase(SinglePred))

llvm/lib/Transforms/Scalar/SCCP.cpp

diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index c625b0f..4d3a708 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -539,9 +539,9 @@
     return;
   }
 
-  // Unwinding instructions successors are always executable.
-  if (TI.isExceptional()) {
-    Succs.assign(TI.getNumSuccessors(), true);
+  if (isa<InvokeInst>(TI)) {
+    // Invoke instructions successors are always executable.
+    Succs[0] = Succs[1] = true;
     return;
   }
 
@@ -605,8 +605,8 @@
     return BI->getSuccessor(CI->isZero()) == To;
   }
 
-  // Unwinding instructions successors are always executable.
-  if (TI->isExceptional())
+  // Invoke instructions successors are always executable.
+  if (isa<InvokeInst>(TI))
     return true;
 
   if (SwitchInst *SI = dyn_cast<SwitchInst>(TI)) {