From f50c7981ae9b81f1212d72a06d1c05e20d0559af Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 3 Apr 2009 20:11:30 +0000
Subject: Fix a TargetLowering optimization so that it doesn't duplicate loads
 when an input node has multiple uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68398 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/and-su.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/CodeGen/X86/and-su.ll

(limited to 'test/CodeGen/X86/and-su.ll')

diff --git a/test/CodeGen/X86/and-su.ll b/test/CodeGen/X86/and-su.ll
new file mode 100644
index 0000000000..bdc845448f
--- /dev/null
+++ b/test/CodeGen/X86/and-su.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {(%} | count 1
+
+; Don't duplicate the load.
+
+define fastcc i32 @foo(i32* %p) nounwind {
+	%t0 = load i32* %p
+	%t2 = and i32 %t0, 10
+	%t3 = icmp ne i32 %t2, 0
+	br i1 %t3, label %bb63, label %bb76
+
+bb63:
+	ret i32 %t2
+
+bb76:
+	ret i32 0
+}
-- 
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