Add full x86 fast-isel support for memcpy and memset.

rdar://9431466



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132864 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-isel-call.ll b/test/CodeGen/X86/fast-isel-call.ll
index 7e57965..2fbe4e2 100644
--- a/test/CodeGen/X86/fast-isel-call.ll
+++ b/test/CodeGen/X86/fast-isel-call.ll
@@ -29,3 +29,27 @@
 ; CHECK: movl	8(%eax)
 ; CHECK: movl {{.*}}, 8(%esp)
 }
+
+declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
+
+define void @test3(i8* %a) {
+  call void @llvm.memset.p0i8.i32(i8* %a, i8 0, i32 100, i32 1, i1 false)
+  ret void
+; CHECK: test3:
+; CHECK:   movl	{{.*}}, (%esp)
+; CHECK:   movl	$0, 4(%esp)
+; CHECK:   movl	$100, 8(%esp)
+; CHECK:   calll {{.*}}memset
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
+
+define void @test4(i8* %a, i8* %b) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %b, i32 100, i32 1, i1 false)
+  ret void
+; CHECK: test4:
+; CHECK:   movl	{{.*}}, (%esp)
+; CHECK:   movl	{{.*}}, 4(%esp)
+; CHECK:   movl	$100, 8(%esp)
+; CHECK:   calll {{.*}}memcpy
+}