[arm-fast-isel] Add support for vararg function calls.

llvm-svn: 160500
diff --git a/llvm/test/CodeGen/Thumb2/large-call.ll b/llvm/test/CodeGen/Thumb2/large-call.ll
index aef6f85..61c477a 100644
--- a/llvm/test/CodeGen/Thumb2/large-call.ll
+++ b/llvm/test/CodeGen/Thumb2/large-call.ll
@@ -3,17 +3,18 @@
 target triple = "thumbv7-apple-ios0.0.0"
 
 ; This test case would clobber the outgoing call arguments by writing to the
-; emergency spill slot at [sp, #4] without adjusting the stack pointer first.
+; emergency spill slots at [sp, #4] or [sp, #8] without adjusting the stack
+; pointer first.
 
 ; CHECK: main
 ; CHECK: vmov.f64
 ; Adjust SP for the large call
 ; CHECK: sub sp,
-; CHECK: mov [[FR:r[0-9]+]], sp
-; Store to call frame + #4
-; CHECK: str{{.*\[}}[[FR]], #4]
+; Store to call frame + #8
+; CHECK: vstr{{.*\[}}sp, #8]
 ; Don't clobber that store until the call.
 ; CHECK-NOT: [sp, #4]
+; CHECK-NOT: [sp, #8]
 ; CHECK: variadic
 
 define i32 @main() ssp {