-; RUN: llc < %s -march=x86-64 | FileCheck -check-prefix=X86-64 %s
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck -check-prefix=X86-64 %s
+; Win64 has not supported byval yet.
; RUN: llc < %s -march=x86 | FileCheck -check-prefix=X86 %s
; X86: movl 4(%esp), %eax
-; RUN: llc < %s -march=x86-64 | grep rep.movsq | count 2
-; RUN: llc < %s -march=x86 | grep rep.movsl | count 2
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: rep
+; X64-NOT: movsq
+
+; Win64 has not supported byval yet.
+
+; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: rep
+; X32-NOT: movsl
%struct.s = type { i64, i64, i64, i64, i64, i64, i64, i64,
i64, i64, i64, i64, i64, i64, i64, i64,
-; RUN: llc < %s -march=x86-64 | grep rep.movsq | count 2
-; RUN: llc < %s -march=x86 | grep rep.movsl | count 2
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: rep
+; X64-NOT: movsq
+
+; Win64 has not supported byval yet.
+
+; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: rep
+; X32-NOT: movsl
%struct.s = type { i32, i32, i32, i32, i32, i32, i32, i32,
i32, i32, i32, i32, i32, i32, i32, i32,
-; RUN: llc < %s -march=x86-64 | grep rep.movsq | count 2
-; RUN: llc < %s -march=x86 | grep rep.movsl | count 2
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: rep
+; X64-NOT: movsq
+
+; Win64 has not supported byval yet.
+
+; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: rep
+; X32-NOT: movsl
%struct.s = type { i16, i16, i16, i16, i16, i16, i16, i16,
i16, i16, i16, i16, i16, i16, i16, i16,
-; RUN: llc < %s -march=x86-64 | grep rep.movsq | count 2
-; RUN: llc < %s -march=x86 | grep rep.movsl | count 2
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=X64
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: movsq
+; X64: rep
+; X64-NOT: rep
+; X64: movsq
+; X64-NOT: rep
+; X64-NOT: movsq
+
+; Win64 has not supported byval yet.
+
+; RUN: llc < %s -march=x86 | FileCheck %s -check-prefix=X32
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: movsl
+; X32: rep
+; X32-NOT: rep
+; X32: movsl
+; X32-NOT: rep
+; X32-NOT: movsl
%struct.s = type { i8, i8, i8, i8, i8, i8, i8, i8,
i8, i8, i8, i8, i8, i8, i8, i8,