clang/test/CodeGen/malign-double-x86-nacl.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-unknown-nacl | FileCheck %s
   2 // Check that i686-nacl essentially has -malign-double, which aligns
   3 // double, long double, and long long to 64-bits.
   4
   5 int checksize[sizeof(long double) == 8 ? 1 : -1];
   6 int checkalign[__alignof(long double) == 8 ? 1 : -1];
   7
   8 // CHECK-LABEL: define{{.*}} void @s1(double noundef %a)
   9 void s1(long double a) {}
  10
  11 struct st_ld {
  12   char c;
  13   long double ld;
  14 };
  15 int checksize2[sizeof(struct st_ld) == 16 ? 1 : -1];
  16 int checkalign2[__alignof(struct st_ld) == 8 ? 1 : -1];
  17
  18 int checksize3[sizeof(double) == 8 ? 1 : -1];
  19 int checkalign3[__alignof(double) == 8 ? 1 : -1];
  20
  21 // CHECK-LABEL: define{{.*}} void @s2(double noundef %a)
  22 void s2(double a) {}
  23
  24 struct st_d {
  25   char c;
  26   double d;
  27 };
  28 int checksize4[sizeof(struct st_d) == 16 ? 1 : -1];
  29 int checkalign4[__alignof(struct st_d) == 8 ? 1 : -1];
  30
  31
  32 int checksize5[sizeof(long long) == 8 ? 1 : -1];
  33 int checkalign5[__alignof(long long) == 8 ? 1 : -1];
  34
  35 // CHECK-LABEL: define{{.*}} void @s3(i64 noundef %a)
  36 void s3(long long a) {}
  37
  38 struct st_ll {
  39   char c;
  40   long long ll;
  41 };
  42 int checksize6[sizeof(struct st_ll) == 16 ? 1 : -1];
  43 int checkalign6[__alignof(struct st_ll) == 8 ? 1 : -1];