clang/test/CodeGen/windows-on-arm-stack-probe-size.c

   1 // RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=8096 -fms-extensions -O2 -emit-llvm %s -o - \
   2 // RUN:     | FileCheck %s -check-prefix CHECK-8096
   3
   4 // RUN: %clang_cc1 -triple thumbv7-windows-itanium -mstack-probe-size=4096 -fms-extensions -O2 -emit-llvm %s -o - \
   5 // RUN:     | FileCheck %s -check-prefix CHECK-4096
   6
   7 // RUN: %clang_cc1 -triple thumbv7-windows-itanium -fms-extensions -O2 -emit-llvm %s -o - \
   8 // RUN:     | FileCheck %s
   9
  10 __declspec(dllimport) void initialise(signed char buffer[4096]);
  11
  12 __declspec(dllexport) signed char function(unsigned index) {
  13   signed char buffer[4096];
  14   initialise(buffer);
  15   return buffer[index];
  16 }
  17
  18 // CHECK-8096: attributes #0 = {
  19 // CHECK-8096: "stack-probe-size"="8096"
  20 // CHECK-8096: }
  21
  22 // CHECK-4096: attributes #0 = {
  23 // CHECK-4096-NOT: "stack-probe-size"=
  24 // CHECK-4096: }
  25
  26 // CHECK: attributes #0 = {
  27 // CHECK-NOT: "stack-probe-size"=
  28 // CHECK: }