From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 3 Feb 2006 06:46:41 +0000 (+0000)
Subject: Added a (store (op (load ...) ...) ...) folding test case.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a5229887cf148a2ef8232cc827f896251928d423;p=oota-llvm.git

Added a (store (op (load ...) ...) ...) folding test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25933 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/store_op_load_fold.ll b/test/CodeGen/X86/store_op_load_fold.ll
new file mode 100644
index 00000000000..64d8da59eed
--- /dev/null
+++ b/test/CodeGen/X86/store_op_load_fold.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep 'mov'
+;
+; Test the add and load are folded into the store instruction.
+
+target triple = "i686-pc-linux-gnu"
+
+%X = weak global short 0
+
+void %foo() {
+	%tmp.0 = load short* %X
+	%tmp.3 = add short %tmp.0, 329
+	store short %tmp.3, short* %X
+	ret void
+}