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 { i16, i16, i16, i16, i16, i16, i16, i16, 28 i16, i16, i16, i16, i16, i16, i16, i16, 29 i16, i16, i16, i16, i16, i16, i16, i16, 30 i16, i16, i16, i16, i16, i16, i16, i16, 31 i16, i16, i16, i16, i16, i16, i16, i16, 32 i16, i16, i16, i16, i16, i16, i16, i16, 33 i16, i16, i16, i16, i16, i16, i16, i16, 34 i16, i16, i16, i16, i16, i16, i16, i16, 35 i16 } 36 37 38 define void @g(i16 signext %a1, i16 signext %a2, i16 signext %a3, 39 i16 signext %a4, i16 signext %a5, i16 signext %a6) nounwind { 40 entry: 41 %a = alloca %struct.s, align 16 42 %tmp = getelementptr %struct.s* %a, i32 0, i32 0 43 store i16 %a1, i16* %tmp, align 16 44 %tmp2 = getelementptr %struct.s* %a, i32 0, i32 1 45 store i16 %a2, i16* %tmp2, align 16 46 %tmp4 = getelementptr %struct.s* %a, i32 0, i32 2 47 store i16 %a3, i16* %tmp4, align 16 48 %tmp6 = getelementptr %struct.s* %a, i32 0, i32 3 49 store i16 %a4, i16* %tmp6, align 16 50 %tmp8 = getelementptr %struct.s* %a, i32 0, i32 4 51 store i16 %a5, i16* %tmp8, align 16 52 %tmp10 = getelementptr %struct.s* %a, i32 0, i32 5 53 store i16 %a6, i16* %tmp10, align 16 54 call void @f( %struct.s* byval %a ) 55 call void @f( %struct.s* byval %a ) 56 ret void 57 } 58 59 declare void @f(%struct.s* byval) 60