From: Chris Lattner <sabre@nondot.org>
Date: Fri, 13 Jan 2006 21:31:54 +0000 (+0000)
Subject: it is ok to dce stacksave.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5522037136f6f7b7cf5818d131526e7049e2c2da;p=oota-llvm.git

it is ok to dce stacksave.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25295 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index 8f0f7e86cd8..4e3b3e972e2 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -296,6 +296,7 @@ bool llvm::isInstructionTriviallyDead(Instruction *I) {
       default: break;
       case Intrinsic::returnaddress:
       case Intrinsic::frameaddress:
+      case Intrinsic::stacksave:
       case Intrinsic::isunordered:
       case Intrinsic::ctpop:
       case Intrinsic::ctlz: