Infinite loop in instcombine that nate hit.

llvm-svn: 28960

llvm/test/Regression/Transforms/InstCombine/2006-06-28-infloop.ll

@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output
+target endian = big
+target pointersize = 32
+target triple = "powerpc-apple-darwin8"
+
+implementation   ; Functions:
+
+void %test() {
+entry:
+	%tmp = getelementptr { long, long, long, long }* null, int 0, uint 3
+	%tmp = load long* %tmp		; <long> [#uses=1]
+	%tmp8 = load ulong* null		; <ulong> [#uses=1]
+	%tmp8 = cast ulong %tmp8 to long		; <long> [#uses=1]
+	%tmp9 = and long %tmp8, %tmp		; <long> [#uses=1]
+	%sext = cast long %tmp9 to int		; <int> [#uses=1]
+	%tmp27.i = cast int %sext to long		; <long> [#uses=1]
+	tail call void %foo( uint 0, long %tmp27.i )
+	unreachable
+}
+
+declare void %foo(uint, long)