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/OpenMP/atomic_write_codegen.c b/clang/test/OpenMP/atomic_write_codegen.c
index e100ccb..66172af 100644
--- a/clang/test/OpenMP/atomic_write_codegen.c
+++ b/clang/test/OpenMP/atomic_write_codegen.c
@@ -134,7 +134,7 @@
   dx = dv;
 // CHECK: [[LD:%.+]] = load x86_fp80, x86_fp80*
 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i8*
-// CHECK: call void @llvm.memset.p0i8.i64(i8* align 16 [[BITCAST]], i8 0, i64 16, i1 false)
+// CHECK: call void @llvm.memset.p0i8.i64(i8* [[BITCAST]], i8 0, i64 16, i32 16, i1 false)
 // CHECK: store x86_fp80 [[LD]], x86_fp80* [[LDTEMP]]
 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i128*
 // CHECK: [[LD:%.+]] = load i128, i128* [[BITCAST]]
@@ -223,7 +223,7 @@
 // CHECK: load i64, i64*
 // CHECK: [[VAL:%.+]] = uitofp i64 %{{.+}} to x86_fp80
 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[TEMP:%.+]] to i8*
-// CHECK: call void @llvm.memset.p0i8.i64(i8* align 16 [[BITCAST]], i8 0, i64 16, i1 false)
+// CHECK: call void @llvm.memset.p0i8.i64(i8* [[BITCAST]], i8 0, i64 16, i32 16, i1 false)
 // CHECK: store x86_fp80 [[VAL]], x86_fp80* [[TEMP]]
 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[TEMP]] to i128*
 // CHECK: [[VAL:%.+]] = load i128, i128* [[BITCAST]]