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diff --git a/test/CodeGen/X86/2009-11-04-SubregCoalescingBug.ll b/test/CodeGen/X86/2009-11-04-SubregCoalescingBug.ll
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+++ b/test/CodeGen/X86/2009-11-04-SubregCoalescingBug.ll
@@ -0,0 +1,15 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin11 | FileCheck %s
+; rdar://7362871
+
+define void @bar(i32 %b, i32 %a) nounwind optsize ssp {
+entry:
+; CHECK: leal 15(%rsi), %edi
+; CHECK-NOT: movl
+; CHECK: call _foo
+ %0 = add i32 %a, 15 ; <i32> [#uses=1]
+ %1 = zext i32 %0 to i64 ; <i64> [#uses=1]
+ tail call void @foo(i64 %1) nounwind
+ ret void
+}
+
+declare void @foo(i64)
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