diff --git a/test/CodeGen/X86/inline-asm-x-scalar.ll b/test/CodeGen/X86/inline-asm-x-scalar.ll
index ba6e453039c..d1bac0c3b27 100644
--- a/test/CodeGen/X86/inline-asm-x-scalar.ll
+++ b/test/CodeGen/X86/inline-asm-x-scalar.ll
@@ -15,3 +15,10 @@ define void @test3() {
         ret void
 }
 
+define void @test4() {
+        %tmp1 = tail call float asm "", "=x,0,~{dirflag},~{fpsr},~{flags}"( float 0x47EFFFFFE0000000 ); <float> [#uses=1]
+        %tmp4 = sub float %tmp1, 0x3810000000000000             ; <float> [#uses=1]
+        tail call void asm sideeffect "", "x,~{dirflag},~{fpsr},~{flags}"( float %tmp4 )
+        ret void
+}
+