From 76629f7ec4c8f7d86784fa38d9927f966a456121 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 11 Mar 2002 22:14:26 +0000
Subject: [PATCH] New testcase

llvm-svn: 1860
---
 .../LevelRaise/2002-03-11-IterInvalidate.ll   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 test/Regression/Transforms/LevelRaise/2002-03-11-IterInvalidate.ll

diff --git a/test/Regression/Transforms/LevelRaise/2002-03-11-IterInvalidate.ll b/test/Regression/Transforms/LevelRaise/2002-03-11-IterInvalidate.ll
new file mode 100644
index 00000000000..774f7025cbe
--- /dev/null
+++ b/test/Regression/Transforms/LevelRaise/2002-03-11-IterInvalidate.ll
@@ -0,0 +1,47 @@
+; Assertion failure in LevelRaise caused by this code:
+;
+; LevelRaise.cpp:92: failed assertion `I->getOpcode() == Instruction::Add && I->getNumOperands() == 2 && "Use is not a valid add instruction!"'
+;
+; RUN: as < %s | opt -raise
+
+%lit_base = uninitialized global [26 x int]		; <[26 x int] *> [#uses=1]
+%leaves = uninitialized global [26 x int]		; <[26 x int] *> [#uses=1]
+%parents = uninitialized global [26 x int]		; <[26 x int] *> [#uses=1]
+implementation
+
+int "build_tree"(int %ml)
+begin
+; <label>:0					;[#uses=2]
+	%ml = alloca int		; <int *> [#uses=2]
+	store int %ml, int * %ml
+	%reg107 = load int * %ml		; <int> [#uses=1]
+	br label %bb2
+
+bb2:					;[#uses=4]
+	%reg137 = phi int [ %reg140, %bb2 ], [ %reg107, %0 ]		; <int> [#uses=2]
+	%reg138 = phi uint [ %reg139, %bb2 ], [ 0, %0 ]		; <uint> [#uses=3]
+	%cast1005 = cast int %reg137 to uint		; <uint> [#uses=1]
+	%reg111 = shl uint %cast1005, ubyte 2		; <uint> [#uses=1]
+	%cast112 = cast uint %reg111 to sbyte *		; <sbyte *> [#uses=3]
+	%cast1002 = cast [26 x int] * %parents to sbyte *		; <sbyte *> [#uses=1]
+	%reg115 = add sbyte * %cast112, %cast1002		; <sbyte *> [#uses=1]
+	;%cast1006 = cast sbyte * %reg115 to uint *		; <uint *> [#uses=1]
+
+	%cast1003 = cast [26 x int] * %lit_base to sbyte *		; <sbyte *> [#uses=1]
+	%reg121 = add sbyte * %cast112, %cast1003		; <sbyte *> [#uses=2]
+	%cast1007 = cast sbyte * %reg121 to uint *		; <uint *> [#uses=1]
+	%reg128 = load uint * %cast1007		; <uint> [#uses=1]
+	%reg129 = sub uint %reg128, %reg138		; <uint> [#uses=1]
+	%cast1008 = cast sbyte * %reg121 to uint *		; <uint *> [#uses=1]
+	;store uint %reg129, uint * %cast1008
+	%cast1004 = cast [26 x int] * %leaves to sbyte *		; <sbyte *> [#uses=1]
+	%reg135 = add sbyte * %cast112, %cast1004		; <sbyte *> [#uses=1]
+	%cast1009 = cast sbyte * %reg135 to uint *		; <uint *> [#uses=1]
+	%reg136 = load uint * %cast1009		; <uint> [#uses=1]
+	%reg139 = add uint %reg138, %reg136		; <uint> [#uses=1]
+	%reg140 = add int %reg137, -1		; <int> [#uses=1]
+	br bool false, label %bb2, label %bb3
+
+bb3:					;[#uses=1]
+	ret int %reg137
+end