File: aix-builtin-mapping.c

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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// AIX library functions frexpl, ldexpl, and modfl are for 128-bit IBM
// 'long double' (i.e. __ibm128). Check that the compiler generates
// calls to the 'double' versions for corresponding builtin functions in
// 64-bit 'long double' mode.

// RUN: %clang_cc1 -triple powerpc-ibm-aix -mlong-double-64 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK %s
// RUN: %clang_cc1 -triple powerpc64-ibm-aix -mlong-double-64 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK %s

int main()
{
  int DummyInt;
  long double DummyLongDouble;
  long double returnValue;

  returnValue = __builtin_modfl(1.0L, &DummyLongDouble);
  returnValue = __builtin_frexpl(0.0L, &DummyInt);
  returnValue = __builtin_ldexpl(1.0L, 1);
}

// CHECK: %call = call double @modf(double noundef 1.000000e+00, ptr noundef %DummyLongDouble) #3
// CHECK: %{{.+}} = call { double, i32 } @llvm.frexp.f64.i32(double 0.000000e+00)
// CHECK: %{{.+}} = call double @llvm.ldexp.f64.i32(double 1.000000e+00, i32 1)