Revert "Change memcpy/memset/memmove to have dest and source alignments."

This reverts commit r253512.

This likely broke the bots in:
http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/20202
http://bb.pgr.jp/builders/clang-3stage-i686-linux/builds/3787

llvm-svn: 253542
diff --git a/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp b/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
index 37e3a0b..2f0aa3b 100644
--- a/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
+++ b/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
@@ -143,7 +143,7 @@
 // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OTHER]], i32 0, i32 1
 // CHECK-NEXT: [[T4:%.*]] = bitcast i16* [[T0]] to i8*
 // CHECK-NEXT: [[T5:%.*]] = bitcast i16* [[T2]] to i8*
-// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[T4]], i8* align 8 [[T5]], i64 8, i1 false)
+// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[T4]], i8* [[T5]], i64 8, i32 8, i1 false)
 // CHECK-NEXT: ret [[A]]* [[THIS]]
 
 // CHECK-LABEL: define linkonce_odr void @_ZN6PR66281BC2ERKS0_(%"struct.PR6628::B"* %this, %"struct.PR6628::B"* dereferenceable({{[0-9]+}})) unnamed_addr
@@ -172,7 +172,7 @@
 // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[OTHER]], i32 0, i32 1
 // CHECK-NEXT: [[T4:%.*]] = bitcast i16* [[T0]] to i8*
 // CHECK-NEXT: [[T5:%.*]] = bitcast i16* [[T2]] to i8*
-// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[T4]], i8* align 8 [[T5]], i64 8, i1 false)
+// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[T4]], i8* [[T5]], i64 8, i32 8, i1 false)
 // CHECK-NEXT: ret void
 }