From: Chris Lattner <sabre@nondot.org>
Date: Tue, 9 Sep 2003 18:15:45 +0000 (+0000)
Subject: New testcase: do not DCE volatile loads!
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ffd340c6b6f7e1db088e78b238edbcb5c2a00fdc;p=oota-llvm.git

New testcase: do not DCE volatile loads!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8421 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/2003-09-09-VolatileLoadElim.ll b/test/Transforms/InstCombine/2003-09-09-VolatileLoadElim.ll
new file mode 100644
index 00000000000..890d61e7ca2
--- /dev/null
+++ b/test/Transforms/InstCombine/2003-09-09-VolatileLoadElim.ll
@@ -0,0 +1,5 @@
+; RUN: as < %s | opt -instcombine | dis | grep load
+void %test(int* %P) {
+	%X = volatile load int* %P  ; Dead but not deletable!
+	ret void
+}