1; RUN: llc < %s -mtriple=x86_64-linux -mattr=-avx | 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 -mattr=-avx | 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 38define void @g(i16 signext %a1, i16 signext %a2, i16 signext %a3, 39 i16 signext %a4, i16 signext %a5, i16 signext %a6) nounwind { 40entry: 41 %a = alloca %struct.s, align 16 42 %tmp = getelementptr %struct.s, %struct.s* %a, i32 0, i32 0 43 store i16 %a1, i16* %tmp, align 16 44 %tmp2 = getelementptr %struct.s, %struct.s* %a, i32 0, i32 1 45 store i16 %a2, i16* %tmp2, align 16 46 %tmp4 = getelementptr %struct.s, %struct.s* %a, i32 0, i32 2 47 store i16 %a3, i16* %tmp4, align 16 48 %tmp6 = getelementptr %struct.s, %struct.s* %a, i32 0, i32 3 49 store i16 %a4, i16* %tmp6, align 16 50 %tmp8 = getelementptr %struct.s, %struct.s* %a, i32 0, i32 4 51 store i16 %a5, i16* %tmp8, align 16 52 %tmp10 = getelementptr %struct.s, %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 59declare void @f(%struct.s* byval) 60