From 96d2eff5c6713a2c5fd2cd61545e49637c332975 Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Fri, 29 Jun 2012 13:25:06 +0000
Subject: Fix a reassociate crash on sozefx when compiling with
 dragonegg+gcc-4.7 due to the optimizers producing a multiply expression with
 more multiplications than the original (!).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159426 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/Reassociate/crash.ll | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test')

diff --git a/test/Transforms/Reassociate/crash.ll b/test/Transforms/Reassociate/crash.ll
index a99c844..ce586e1 100644
--- a/test/Transforms/Reassociate/crash.ll
+++ b/test/Transforms/Reassociate/crash.ll
@@ -133,3 +133,14 @@ define i8 @f0(i8 %x) {
   %t7 = mul i8 %t6, %t0
   ret i8 %t7
 }
+
+define i32 @sozefx_(i32 %x, i32 %y) {
+  %t0 = sub i32 %x, %x
+  %t1 = mul i32 %t0, %t0
+  %t2 = mul i32 %x, %t0
+  %t3 = mul i32 %t1, %t1
+  %t4 = add i32 %t2, %t3
+  %t5 = mul i32 %x, %y
+  %t6 = add i32 %t4, %t5
+  ret i32 %t6
+}
-- 
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