clang/test/CodeGen/PowerPC/ppc64-long-double.cpp

   1 // RUN: %clang_cc1 -triple powerpc64-linux-musl -emit-llvm -o - %s | \
   2 // RUN:   FileCheck --check-prefix=FP64 %s
   3 // RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm -o - %s -mlong-double-64 | \
   4 // RUN:   FileCheck --check-prefix=FP64 %s
   5
   6 // musl defaults to -mlong-double-64, so -mlong-double-128 is needed to make
   7 // -mabi=ieeelongdouble effective.
   8 // RUN: %clang_cc1 -triple powerpc64-linux-musl -emit-llvm -o - %s -mlong-double-128 \
   9 // RUN:   -mabi=ieeelongdouble | FileCheck --check-prefix=FP128 %s
  10 // RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm -o - %s \
  11 // RUN:   -mabi=ieeelongdouble | FileCheck --check-prefix=FP128 %s
  12
  13 // IBM extended double is the default.
  14 // RUN: %clang_cc1 -triple powerpc64-linux-gnu -emit-llvm -o - %s | \
  15 // RUN:   FileCheck --check-prefix=IBM128 %s
  16 // RUN: %clang_cc1 -triple powerpc64-linux-musl -emit-llvm -o - -mlong-double-128 %s | \
  17 // RUN:   FileCheck --check-prefix=IBM128 %s
  18
  19 // Check IBM-quad and IEEE-quad macros are defined.
  20 // RUN: %clang -E -dM -ffreestanding -target powerpc64le-linux-gnu %s \
  21 // RUN:   -mabi=ibmlongdouble | FileCheck -check-prefix=CHECK-DEF-IBM128 %s
  22 // RUN: %clang -E -dM -ffreestanding -target powerpc64le-linux-gnu %s \
  23 // RUN:   -mabi=ieeelongdouble | FileCheck -check-prefix=CHECK-DEF-IEEE128 %s
  24 // RUN: %clang -E -dM -ffreestanding -target powerpc64le-linux-gnu %s \
  25 // RUN:   -mlong-double-64 | FileCheck -check-prefix=CHECK-DEF-F64 %s
  26
  27 // CHECK-DEF-IBM128: #define __LONG_DOUBLE_128__
  28 // CHECK-DEF-IBM128: #define __LONG_DOUBLE_IBM128__
  29 // CHECK-DEF-IEEE128: #define __LONG_DOUBLE_128__
  30 // CHECK-DEF-IEEE128: #define __LONG_DOUBLE_IEEE128__
  31 // CHECK-DEF-F64-NOT: #define __LONG_DOUBLE_128__
  32
  33 long double x = 0;
  34 int size = sizeof(x);
  35
  36 // FP64: @x ={{.*}} global double {{.*}}, align 8
  37 // FP64: @size ={{.*}} global i32 8
  38 // FP128: @x ={{.*}} global fp128 {{.*}}, align 16
  39 // FP128: @size ={{.*}} global i32 16
  40 // IBM128: @x ={{.*}} global ppc_fp128 {{.*}}, align 16
  41 // IBM128: @size ={{.*}} global i32 16
  42
  43 long double foo(long double d) { return d; }
  44
  45 // FP64: double @_Z3fooe(double noundef %d)
  46 // FP128: fp128 @_Z3foou9__ieee128(fp128 noundef %d)
  47 // IBM128: ppc_fp128 @_Z3foog(ppc_fp128 noundef %d)