the pain isn't gone unless the phinodes are spilled too

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24288 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/Reg2Mem.cpp b/lib/Transforms/Scalar/Reg2Mem.cpp
index a43da7a60ac58e21dfca09043b67f868c517e37d..b04c362a25d49cc23bc824d7fd9f2658a53e9783 100644 (file)
--- a/lib/Transforms/Scalar/Reg2Mem.cpp
+++ b/lib/Transforms/Scalar/Reg2Mem.cpp
@@ -38,7 +38,8 @@ namespace {
       BasicBlock* bb = i->getParent();
       for(Value::use_iterator ii = i->use_begin(), ie = i->use_end();
           ii != ie; ++ii)
-        if (cast<Instruction>(*ii)->getParent() != bb)
+        if (cast<Instruction>(*ii)->getParent() != bb ||
+           isa<PHINode>(*ii))
           return true;
       return false;
     }