llvm/test/CodeGen/SystemZ/Large/large-ada-01.py

   1 # Test code generation for retrieving function descriptors
   2 # from the ADA when the ADA is extremely large and forces the
   3 # generation of a different instruction sequence
   4 # RUN: %python %s | llc -mtriple=s390x-ibm-zos -O2 | FileCheck %s
   5
   6 # CHECK: llilf  1,{{[0-9]+}}
   7 # CHECK-NEXT: la        1,0(1,8)
   8
   9 from __future__ import print_function
  10
  11 num_calls = 35000
  12
  13 print("define hidden signext i32 @main() {")
  14 print("entry:")
  15
  16 for i in range(num_calls):
  17     print("  call void @foo%d()" % i)
  18
  19 print("  call void @bar(ptr noundef @foo)")
  20 print("ret i32 0")
  21 print("}")
  22
  23 for i in range(num_calls):
  24     print("declare void @foo%d(...)" % i)
  25
  26 print("declare void @bar(ptr noundef)")
  27 print("define internal void @foo() {")
  28 print("entry:")
  29 print("  ret void")
  30 print("  }")