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 { i64, i64, i64, i64, i64, i64, i64, i64, 28 i64, i64, i64, i64, i64, i64, i64, i64, 29 i64 } 30 31 define void @g(i64 %a, i64 %b, i64 %c) { 32 entry: 33 %d = alloca %struct.s, align 16 34 %tmp = getelementptr %struct.s, %struct.s* %d, i32 0, i32 0 35 store i64 %a, i64* %tmp, align 16 36 %tmp2 = getelementptr %struct.s, %struct.s* %d, i32 0, i32 1 37 store i64 %b, i64* %tmp2, align 16 38 %tmp4 = getelementptr %struct.s, %struct.s* %d, i32 0, i32 2 39 store i64 %c, i64* %tmp4, align 16 40 call void @f( %struct.s*byval %d ) 41 call void @f( %struct.s*byval %d ) 42 ret void 43 } 44 45 declare void @f(%struct.s* byval) 46