diff --git a/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll b/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll
new file mode 100644
index 0000000..f51c0c1
--- /dev/null
+++ b/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll
@@ -0,0 +1,18 @@
+; RUN: opt -reassociate %s -S | FileCheck %s
+
+define float @foo(float %a,float %b, float %c) {
+; CHECK: %mul3 = fmul float %a, %b
+; CHECK-NEXT: fmul fast float %c, 2.000000e+00
+; CHECK-NEXT: fadd fast float %factor, %b
+; CHECK-NEXT: fmul fast float %tmp1, %a
+; CHECK-NEXT: fadd fast float %tmp2, %mul3
+; CHECK-NEXT: ret float
+  %mul1 = fmul fast float %a, %c
+  %mul2 = fmul fast float %a, %b
+  %mul3 = fmul float %a, %b
+  %mul4 = fmul fast float %a, %c
+  %add1 = fadd fast  float %mul1, %mul3
+  %add2 = fadd  fast float %mul4, %mul2
+  %add3 = fadd fast float %add1, %add2
+  ret float %add3
+}