diff --git a/test/CodeGen/ARM/arguments.ll b/test/CodeGen/ARM/arguments.ll
index cc71839..83b4d6e 100644
--- a/test/CodeGen/ARM/arguments.ll
+++ b/test/CodeGen/ARM/arguments.ll
@@ -1,11 +1,29 @@
-; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s -check-prefix=ELF
-; RUN: llc < %s -mtriple=arm-apple-darwin  | FileCheck %s -check-prefix=DARWIN
+; RUN: llc < %s -mtriple=arm-linux-gnueabi -mattr=+vfp2 | FileCheck %s -check-prefix=ELF
+; RUN: llc < %s -mtriple=arm-apple-darwin -mattr=+vfp2 | FileCheck %s -check-prefix=DARWIN
 
-define i32 @f(i32 %a, i64 %b) {
+define i32 @f1(i32 %a, i64 %b) {
+; ELF: f1:
 ; ELF: mov r0, r2
+; DARWIN: f1:
 ; DARWIN: mov r0, r1
-        %tmp = call i32 @g(i64 %b)
+        %tmp = call i32 @g1(i64 %b)
         ret i32 %tmp
 }
 
-declare i32 @g(i64)
+; test that allocating the double to r2/r3 makes r1 unavailable on gnueabi.
+define i32 @f2() nounwind optsize {
+; ELF: f2:
+; ELF: mov  r0, #128
+; ELF: str  r0, [sp]
+; DARWIN: f2:
+; DARWIN: mov	r3, #128
+entry:
+  %0 = tail call i32 (i32, ...)* @g2(i32 5, double 1.600000e+01, i32 128) nounwind optsize ; <i32> [#uses=1]
+  %not. = icmp ne i32 %0, 128                     ; <i1> [#uses=1]
+  %.0 = zext i1 %not. to i32                      ; <i32> [#uses=1]
+  ret i32 %.0
+}
+
+declare i32 @g1(i64)
+
+declare i32 @g2(i32 %i, ...)