1 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64 2 ; X64-NOT: movsq 3 ; X64: rep 4 ; X64-NOT: rep 5 ; X64: movsq 6 ; X64-NOT: movsq 7 ; X64: rep 8 ; X64-NOT: rep 9 ; X64: movsq 10 ; X64-NOT: rep 11 ; X64-NOT: movsq 12 13 ; Win64 has not supported byval yet. 14 15 ; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32 16 ; X32-NOT: movsl 17 ; X32: rep 18 ; X32-NOT: rep 19 ; X32: movsl 20 ; X32-NOT: movsl 21 ; X32: rep 22 ; X32-NOT: rep 23 ; X32: movsl 24 ; X32-NOT: rep 25 ; X32-NOT: movsl 26 27 %struct.s = type { i32, i32, i32, i32, i32, i32, i32, i32, 28 i32, i32, i32, i32, i32, i32, i32, i32, 29 i32, i32, i32, i32, i32, i32, i32, i32, 30 i32, i32, i32, i32, i32, i32, i32, i32, 31 i32 } 32 33 define void @g(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6) nounwind { 34 entry: 35 %d = alloca %struct.s, align 16 36 %tmp = getelementptr %struct.s* %d, i32 0, i32 0 37 store i32 %a1, i32* %tmp, align 16 38 %tmp2 = getelementptr %struct.s* %d, i32 0, i32 1 39 store i32 %a2, i32* %tmp2, align 16 40 %tmp4 = getelementptr %struct.s* %d, i32 0, i32 2 41 store i32 %a3, i32* %tmp4, align 16 42 %tmp6 = getelementptr %struct.s* %d, i32 0, i32 3 43 store i32 %a4, i32* %tmp6, align 16 44 %tmp8 = getelementptr %struct.s* %d, i32 0, i32 4 45 store i32 %a5, i32* %tmp8, align 16 46 %tmp10 = getelementptr %struct.s* %d, i32 0, i32 5 47 store i32 %a6, i32* %tmp10, align 16 48 call void @f( %struct.s* byval %d) 49 call void @f( %struct.s* byval %d) 50 ret void 51 } 52 53 declare void @f(%struct.s* byval) 54