add tc to check alignment of int types

Author: lei137

llvm/test/CodeGen/PowerPC/data-align.ll

@@ -0,0 +1,24 @@
+; RUN: llc < %s -mtriple=powerpc-unknown-linux | FileCheck %s
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux | FileCheck %s
+; RUN: llc < %s -mtriple=powerpc64le-unknown-linux | FileCheck %s
+
+; CHECK:      .set .Li8,
+; CHECK-NEXT:  .size	.Li8, 1
+@i8 = private constant i8 42
+
+; CHECK:      .set .Li16,
+; CHECK-NEXT: .size	.Li16, 2
+@i16 = private constant i16 42
+
+; CHECK:      .set .Li32,
+; CHECK-NEXT: .size	.Li32, 4
+@i32 = private constant i32 42
+
+; CHECK:      .set .Li64,
+; CHECK-NEXT: .size	.Li64, 8
+@i64 = private constant i64 42
+
+; CHECK:        .set .Li128,
+; CHECK-NEXT:	.size	.Li128, 16
+@i128 = private constant i128 42
+