--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/2009-02-08-CoalescerBug.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,22 @@
+; RUN: llc < %s -march=x86
+; PR3486
+
+define i32 @foo(i8 signext %p_26) nounwind {
+entry:
+	%0 = icmp eq i8 %p_26, 0		; <i1> [#uses=2]
+	%or.cond = or i1 false, %0		; <i1> [#uses=2]
+	%iftmp.1.0 = zext i1 %or.cond to i16		; <i16> [#uses=1]
+	br i1 %0, label %bb.i, label %bar.exit
+
+bb.i:		; preds = %entry
+	%1 = zext i1 %or.cond to i32		; <i32> [#uses=1]
+	%2 = sdiv i32 %1, 0		; <i32> [#uses=1]
+	%3 = trunc i32 %2 to i16		; <i16> [#uses=1]
+	br label %bar.exit
+
+bar.exit:		; preds = %bb.i, %entry
+	%4 = phi i16 [ %3, %bb.i ], [ %iftmp.1.0, %entry ]		; <i16> [#uses=1]
+	%5 = trunc i16 %4 to i8		; <i8> [#uses=1]
+	%6 = sext i8 %5 to i32		; <i32> [#uses=1]
+	ret i32 %6
+}