temporarily revert r123526. While working on a follow-on patch I

realize that ConstantFoldTerminator doesn't preserve dominfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123527 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 3496aa20abb147d433256338ca431d6d863fdbba..72c8bf30477d8ec3f38ad71bbdeaf67c9a4dd663 100644 (file)
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -1071,9 +1071,6 @@ bool CodeGenPrepare::OptimizeInst(Instruction *I) {
   if (CallInst *CI = dyn_cast<CallInst>(I))
     return OptimizeCallInst(CI);
 
-  if (isa<TerminatorInst>(I))
-    return ConstantFoldTerminator(I->getParent());
-  
   return false;
 }
 

diff --git a/test/Transforms/CodeGenPrepare/basic.ll b/test/Transforms/CodeGenPrepare/basic.ll
index a1cdf4555362daea981bfb0f54c5cebca4ad7e55..3b1fca328c5bc828357c68eba1f800a6b718fad2 100644 (file)
--- a/test/Transforms/CodeGenPrepare/basic.ll
+++ b/test/Transforms/CodeGenPrepare/basic.ll
@@ -13,7 +13,9 @@ entry:
   %1 = icmp ugt i64 %0, 3
   br i1 %1, label %T, label %trap
 
-; CHECK: br label %T
+; CHECK: entry:
+; HECK-NEXT: ret i32 4
+
 trap:                                             ; preds = %0, %entry
   tail call void @llvm.trap() noreturn nounwind
   unreachable