clang/test/CodeGen/aix-builtin-mapping.c

   1 // AIX library functions frexpl, ldexpl, and modfl are for 128-bit IBM
   2 // 'long double' (i.e. __ibm128). Check that the compiler generates
   3 // calls to the 'double' versions for corresponding builtin functions in
   4 // 64-bit 'long double' mode.
   5
   6 // RUN: %clang_cc1 -triple powerpc-ibm-aix -mlong-double-64 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK %s
   7 // RUN: %clang_cc1 -triple powerpc64-ibm-aix -mlong-double-64 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK %s
   8
   9 int main()
  10 {
  11   int DummyInt;
  12   long double DummyLongDouble;
  13   long double returnValue;
  14
  15   returnValue = __builtin_modfl(1.0L, &DummyLongDouble);
  16   returnValue = __builtin_frexpl(0.0L, &DummyInt);
  17   returnValue = __builtin_ldexpl(1.0L, 1);
  18 }
  19
  20 // CHECK: %call = call double @modf(double noundef 1.000000e+00, ptr noundef %DummyLongDouble) #3
  21 // CHECK: %{{.+}} = call { double, i32 } @llvm.frexp.f64.i32(double 0.000000e+00)
  22 // CHECK: %{{.+}} = call double @llvm.ldexp.f64.i32(double 1.000000e+00, i32 1)