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

   1 // RUN: %clang_cc1 -triple thumbv8m.base-unknown-unknown-eabi   -emit-llvm -mrelocation-model static -mcmse -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple thumbebv8m.base-unknown-unknown-eabi -emit-llvm -mrelocation-model static -mcmse -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   cmse_address_info_t tta_val, ttat_val;
  10   unsigned sum;
  11
  12   tt_val = cmse_TT(p);
  13   ttt_val = cmse_TTT(p);
  14   tta_val = cmse_TTA(p);
  15   ttat_val = cmse_TTAT(p);
  16 // CHECK: call i32 @llvm.arm.cmse.tt
  17 // CHECK: call i32 @llvm.arm.cmse.ttt
  18 // CHECK: call i32 @llvm.arm.cmse.tta
  19 // CHECK: call i32 @llvm.arm.cmse.ttat
  20
  21   sum = tt_val.value;
  22   sum += ttt_val.value;
  23   sum += tta_val.value;
  24   sum += ttat_val.value;
  25
  26   sum += tt_val.flags.mpu_region;
  27   sum += tt_val.flags.sau_region;
  28   sum += tt_val.flags.mpu_region_valid;
  29   sum += tt_val.flags.sau_region_valid;
  30   sum += tt_val.flags.read_ok;
  31   sum += tt_val.flags.readwrite_ok;
  32   sum += tt_val.flags.nonsecure_read_ok;
  33   sum += tt_val.flags.nonsecure_readwrite_ok;
  34   sum += tt_val.flags.secure;
  35   sum += tt_val.flags.idau_region_valid;
  36   sum += tt_val.flags.idau_region;
  37
  38   return sum;
  39 }
  40
  41 void *test_address_range(void *p) {
  42 // CHECK: define {{.*}} ptr @test_address_range
  43   return cmse_check_address_range(p, 128, CMSE_MPU_UNPRIV
  44                                         | CMSE_MPU_NONSECURE
  45                                         | CMSE_MPU_READWRITE);
  46 // CHECK: call i32 @llvm.arm.cmse.tt
  47 // CHECK: call i32 @llvm.arm.cmse.ttt
  48 // CHECK: call i32 @llvm.arm.cmse.tta
  49 // CHECK: call i32 @llvm.arm.cmse.ttat
  50 }
  51
  52 typedef struct {
  53   int x, y, z;
  54 } Point;
  55
  56 void *test_pointed_object(void *p) {
  57 // CHECK: define {{.*}} ptr @test_pointed_object
  58   Point *pt = (Point *)p;
  59   cmse_check_pointed_object(pt, CMSE_NONSECURE
  60                               | CMSE_MPU_READ
  61                               | CMSE_AU_NONSECURE);
  62 // CHECK: call i32 @llvm.arm.cmse.tt
  63 // CHECK: call i32 @llvm.arm.cmse.ttt
  64 // CHECK: call i32 @llvm.arm.cmse.tta
  65 // CHECK: call i32 @llvm.arm.cmse.ttat
  66 }