1 ; RUN: llc < %s -tailcallopt=false | FileCheck %s 2 ; CHECK: movl 8(%esp), %eax 3 ; CHECK: movl 8(%esp), %eax 4 ; CHECK-NOT: movl 8(%esp), %eax 5 6 ; PR3122 7 ; rdar://6400815 8 9 ; byval requires a copy, even with fastcc. 10 11 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" 12 target triple = "i386-apple-darwin9.5" 13 %struct.MVT = type { i32 } 14 15 define fastcc i32 @bar() nounwind { 16 %V = alloca %struct.MVT 17 %a = getelementptr %struct.MVT, %struct.MVT* %V, i32 0, i32 0 18 store i32 1, i32* %a 19 call fastcc void @foo(%struct.MVT* byval %V) nounwind 20 %t = load i32, i32* %a 21 ret i32 %t 22 } 23 24 declare fastcc void @foo(%struct.MVT* byval) 25