Fix a miscompilation from Dan's recent apintification.

llvm-svn: 47128
diff --git a/llvm/test/CodeGen/X86/2008-02-14-BitMiscompile.ll b/llvm/test/CodeGen/X86/2008-02-14-BitMiscompile.ll
new file mode 100644
index 0000000..5bf8456
--- /dev/null
+++ b/llvm/test/CodeGen/X86/2008-02-14-BitMiscompile.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep and
+define i32 @test(i1 %A) {
+	%B = zext i1 %A to i32		; <i32> [#uses=1]
+	%C = sub i32 0, %B		; <i32> [#uses=1]
+	%D = and i32 %C, 255		; <i32> [#uses=1]
+	ret i32 %D
+}
+