|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp | 
|  | ; RUN: llc < %s -tailcallopt=false | FileCheck %s | 
|  |  | 
|  | ; PR3122 | 
|  | ; rdar://6400815 | 
|  |  | 
|  | ; byval requires a copy, even with fastcc. | 
|  |  | 
|  | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | 
|  | target triple = "i386-apple-darwin9.5" | 
|  |  | 
|  | %struct.MVT = type { i32 } | 
|  |  | 
|  | define fastcc i32 @bar() nounwind { | 
|  | ; CHECK-LABEL: bar: | 
|  | ; CHECK:       ## %bb.0: | 
|  | ; CHECK-NEXT:    subl $12, %esp | 
|  | ; CHECK-NEXT:    movl $1, 8(%esp) | 
|  | ; CHECK-NEXT:    movl $1, (%esp) | 
|  | ; CHECK-NEXT:    calll _foo | 
|  | ; CHECK-NEXT:    movl 8(%esp), %eax | 
|  | ; CHECK-NEXT:    addl $12, %esp | 
|  | ; CHECK-NEXT:    retl | 
|  | %V = alloca %struct.MVT | 
|  | store i32 1, ptr %V | 
|  | call fastcc void @foo(ptr byval(%struct.MVT) %V) nounwind | 
|  | %t = load i32, ptr %V | 
|  | ret i32 %t | 
|  | } | 
|  |  | 
|  | declare fastcc void @foo(ptr byval(%struct.MVT)) |