clang/test/CodeGen/SystemZ/vec-abi-gnuattr-24.c

   1 // RUN: %clang_cc1 -triple s390x-ibm-linux -emit-llvm -fzvector -o - %s 2>&1 \
   2 // RUN:   | FileCheck  %s
   3 //
   4 // Test that the "s390x-visible-vector-ABI" module flag is not emitted.
   5
   6 // Use of va_arg with a scalar type.
   7 #include <stdarg.h>
   8 int fun0(va_list vl) {
   9   return va_arg(vl, int);
  10 }
  11
  12 typedef __attribute__((vector_size(16))) int v4i32;
  13
  14 // Declaring unused global function with vector argument and return values;
  15 v4i32 globfun(v4i32 Arg);
  16
  17 // Declaring global scalar variable used below.
  18 int GlobVal;
  19
  20 // Declaring extern global scalar variable used below.
  21 extern int GlobExtVar;
  22
  23 // Local vector variable used below.
  24 static v4i32 Var;
  25
  26 // Local function with vector argument and return values;
  27 static v4i32 foo(v4i32 Arg) {
  28   Var = Var + Arg;
  29   return Var;
  30 }
  31
  32 int fun1() {
  33   v4i32 V = {1, 2, 3, 4};
  34   return foo(V)[0] + GlobVal + GlobExtVar;
  35 }
  36
  37 // Globally visible vector variable less than 16 bytes in size.
  38 typedef __attribute__((vector_size(8))) int v2i32;
  39 v2i32 NarrowVecVar;
  40
  41 // Global function taking narrow vector array and pointer.
  42 void bar(v2i32 VArr[4], v2i32 *Dst) { *Dst = VArr[3]; }
  43
  44 // Wide vector parameters via "hidden" pointers.
  45 typedef __attribute__((vector_size(32))) int v8i32;
  46 v8i32 bar2(v8i32 Arg) { return Arg; }
  47
  48 // Same but with a single element struct.
  49 struct SingleElStruct { v8i32 B; };
  50 struct SingleElStruct bar3(struct SingleElStruct Arg) { return Arg; }
  51
  52
  53 //CHECK-NOT: !{i32 2, !"s390x-visible-vector-ABI", i32 1}