clang/test/CodeGen/arm-cmse-nonsecure.c

   1 // RUN: %clang_cc1 -triple thumbv8m.base-unknown-unknown-eabi   -emit-llvm -mrelocation-model static -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple thumbebv8m.base-unknown-unknown-eabi -emit-llvm -mrelocation-model static -o - %s | FileCheck %s
   3
   4 #include <arm_cmse.h>
   5
   6 unsigned test_cmse_primitives(void *p) {
   7 // CHECK: define {{.*}} i32 @test_cmse_primitives
   8   cmse_address_info_t tt_val, ttt_val;
   9   unsigned sum;
  10
  11   tt_val = cmse_TT(p);
  12   ttt_val = cmse_TTT(p);
  13 // CHECK: call i32 @llvm.arm.cmse.tt
  14 // CHECK: call i32 @llvm.arm.cmse.ttt
  15 // CHECK-NOT: llvm.arm.cmse.tta
  16 // CHECK-NOT: llvm.arm.cmse.ttat
  17
  18   sum = tt_val.value;
  19   sum += ttt_val.value;
  20
  21   sum += tt_val.flags.mpu_region;
  22   sum += tt_val.flags.mpu_region_valid;
  23   sum += tt_val.flags.read_ok;
  24   sum += tt_val.flags.readwrite_ok;
  25
  26   return sum;
  27 }
  28
  29 void *test_address_range(void *p) {
  30 // CHECK: define {{.*}} ptr @test_address_range
  31   return cmse_check_address_range(p, 128, CMSE_MPU_UNPRIV
  32                                         | CMSE_MPU_READWRITE
  33                                         | CMSE_MPU_READ);
  34 // CHECK: call i32 @llvm.arm.cmse.tt
  35 // CHECK: call i32 @llvm.arm.cmse.ttt
  36 // CHECK-NOT: llvm.arm.cmse.tta
  37 // CHECK-NOT: llvm.arm.cmse.ttat
  38 }
  39
  40 typedef struct {
  41     int x, y, z;
  42 } Point;
  43
  44 void *test_pointed_object(void *p) {
  45 // CHECK: define {{.*}} ptr @test_pointed_object
  46   Point *pt = (Point *)p;
  47   cmse_check_pointed_object(pt, CMSE_MPU_READ);
  48 // CHECK: call i32 @llvm.arm.cmse.tt
  49 // CHECK: call i32 @llvm.arm.cmse.ttt
  50 // CHECK-NOT: call i32 @llvm.arm.cmse.tta
  51 // CHECK-NOT: call i32 @llvm.arm.cmse.ttat
  52 }