[clang][LoongArch] Pre-commit test for align global. NFC

Author: heiher

clang/test/CodeGen/LoongArch/align.c

@@ -0,0 +1,58 @@
+// RUN: %clang_cc1 -triple loongarch32 -target-feature +lsx -target-feature \
+// RUN:   +lasx -emit-llvm %s -o - | FileCheck %s --check-prefix=LA32
+// RUN: %clang_cc1 -triple loongarch64 -target-feature +lsx -target-feature \
+// RUN:   +lasx -emit-llvm %s -o - | FileCheck %s --check-prefix=LA64
+
+#include <stddef.h>
+#include <stdint.h>
+
+char *s1 = "1234";
+// LA32: @.str{{.*}} ={{.*}} constant [5 x i8] c"1234\00", align 1
+// LA64: @.str{{.*}} ={{.*}} constant [5 x i8] c"1234\00", align 1
+
+char *s2 = "12345678abcd";
+// LA32: @.str{{.*}} ={{.*}} constant [13 x i8] c"12345678abcd\00", align 1
+// LA64: @.str{{.*}} ={{.*}} constant [13 x i8] c"12345678abcd\00", align 1
+
+char *s3 = "123456789012345678901234567890ab";
+// LA32: @.str{{.*}} ={{.*}} constant [33 x i8] c"1234{{.*}}ab\00", align 1
+// LA64: @.str{{.*}} ={{.*}} constant [33 x i8] c"1234{{.*}}ab\00", align 1
+
+char *s4 = "123456789012345678901234567890123456789012345678901234567890abcdef";
+// LA32: @.str{{.*}} ={{.*}} constant [67 x i8] c"1234{{.*}}cdef\00", align 1
+// LA64: @.str{{.*}} ={{.*}} constant [67 x i8] c"1234{{.*}}cdef\00", align 1
+
+int8_t a;
+// LA32: @a ={{.*}} global i8 0, align 1
+// LA64: @a ={{.*}} global i8 0, align 1
+
+int16_t b;
+// LA32: @b ={{.*}} global i16 0, align 2
+// LA64: @b ={{.*}} global i16 0, align 2
+
+int32_t c;
+// LA32: @c ={{.*}} global i32 0, align 4
+// LA64: @c ={{.*}} global i32 0, align 4
+
+int64_t d;
+// LA32: @d ={{.*}} global i64 0, align 8
+// LA64: @d ={{.*}} global i64 0, align 8
+
+intptr_t e;
+// LA32: @e ={{.*}} global i32 0, align 4
+// LA64: @e ={{.*}} global i64 0, align 8
+
+float f;
+// LA32: @f ={{.*}} global float 0.000000e+00, align 4
+// LA64: @f ={{.*}} global float 0.000000e+00, align 4
+
+double g;
+// LA32: @g ={{.*}} global double 0.000000e+00, align 8
+// LA64: @g ={{.*}} global double 0.000000e+00, align 8
+
+struct H {
+  int8_t a;
+};
+struct H h;
+// LA32: @h ={{.*}} global %struct.H zeroinitializer, align 1
+// LA64: @h ={{.*}} global %struct.H zeroinitializer, align 1