clang/test/PCH/floating-literal.c

   1 // RUN: %clang_cc1 -triple mips64-none-linux-gnu -emit-pch -o %t %s
   2 // REQUIRES: mips-registered-target
   3 // RUN: %clang_cc1 -x ast -ast-print %t | FileCheck %s
   4
   5 // Make sure the semantics of FloatingLiterals are stored correctly in
   6 // the AST. Previously, the ASTWriter didn't store anything and the
   7 // reader assumed PPC 128-bit float semantics, which is incorrect for
   8 // targets with 128-bit IEEE long doubles.
   9
  10 long double foo = 1.0E4000L;
  11 // CHECK: long double foo = 1.00000000000000000000000000000000004E+4000L;
  12
  13 // Just as well check the others are still sane while we're here...
  14
  15 double bar = 1.0E300;
  16 // CHECK: double bar = 1.0000000000000001E+300;
  17
  18 float wibble = 1.0E40;
  19 // CHECK: float wibble = 1.0E+40;