From ef87fc2e0a19c3da55c596244e71e2ad03ae4b43 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 3 Jan 2011 03:46:34 +0000
Subject: now that loads are in their own table, we can implement store->load
 forwarding.  This allows EarlyCSE to zap 600 more loads from 176.gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122732 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/EarlyCSE/basic.ll | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test/Transforms/EarlyCSE')

diff --git a/test/Transforms/EarlyCSE/basic.ll b/test/Transforms/EarlyCSE/basic.ll
index 6d772599b3..5599a1c0b7 100644
--- a/test/Transforms/EarlyCSE/basic.ll
+++ b/test/Transforms/EarlyCSE/basic.ll
@@ -87,3 +87,12 @@ define i32 @test5(i32 *%P) {
   ret i32 %Diff
   ; CHECK: ret i32 0
 }
+
+;; Trivial Store->load forwarding
+; CHECK: @test6
+define i32 @test6(i32 *%P) {
+  store i32 42, i32* %P
+  %V1 = load i32* %P
+  ret i32 %V1
+  ; CHECK: ret i32 42
+}
-- 
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