// RUN: %clang_cc1 -triple thumbv8m.main -O0 -mcmse -S -emit-llvm %s -o - | \ // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-SOFTFP // RUN: %clang_cc1 -triple thumbebv8m.main -O0 -mcmse -S -emit-llvm %s -o - | \ // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-BE,CHECK-SOFTFP // RUN: %clang_cc1 -triple thumbv8m.main -O2 -mcmse -S -emit-llvm %s -o - | \ // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-SOFTFP // RUN: %clang_cc1 -triple thumbebv8m.main -O2 -mcmse -S -emit-llvm %s -o - | \ // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-BE,CHECK-SOFTFP // RUN: %clang_cc1 -triple thumbv8m.main -O0 -mcmse -mfloat-abi hard \ // RUN: -S -emit-llvm %s -o - | \ // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-HARDFP // We don't really need to repeat *all* the test cases from cmse-clear-return.c // as it won't increase test coverage. // : Memory layout | Mask // LE: .......1 ........ ........ ........ | 0x00000001/1 // BE: 1....... ........ ........ ........ | 0x80000000/-2147483648 typedef struct T0 { int a : 1, : 31; } T0; void __attribute__((cmse_nonsecure_call)) (*g0)(T0); T0 t0; void f0(void) { g0(t0); } // CHECK: define {{.*}} @f0() // CHECK-LE: %[[V0:.*]] = and i32 {{.*}}, 1 // CHECK-BE: %[[V0:.*]] = and i32 {{.*}}, -2147483648 // CHECK: %[[V1:.*]] = insertvalue [1 x i32] poison, i32 %[[V0]], 0 // CHECK: call {{.*}} void %0([1 x i32] %[[V1]]) // LE: 11111111 111111.. 11111111 11111111 0xfffffcff/-769 // BE: 11111111 ..111111 11111111 11111111 0xff3fffff/-12582913 typedef struct T8 { struct T80 { char a; char : 2, b : 6; } a; short b; } T8; T8 t8; void __attribute__((cmse_nonsecure_call)) (*g8)(T8); void f8(void) { g8(t8); } // CHECK: define {{.*}} @f8() // CHECK-LE: %[[V0:.*]] = and i32 {{.*}}, -769 // CHECK-BE: %[[V0:.*]] = and i32 {{.*}}, -12582913 // CHECK: %[[V1:.*]] = insertvalue [1 x i32] poison, i32 %[[V0]], 0 // CHECK: call {{.*}} void %0([1 x i32] %[[V1]]) // LE(0): 11111111 ........ 11111111 11111111 0xffff00ff/-65281 // LE(4): ...111.. 11111... 11111111 .....111 0x7fff81c/134215708 // BE(0): 11111111 ........ 11111111 11111111 0xff00ffff/-16711681 // BE(4): ..111... ...11111 11111111 111..... 0x381fffe0/941621216 typedef struct T15 { char a; short b; int : 2, c : 3, : 6, d : 16; } T15; T15 t15; void __attribute__((cmse_nonsecure_call)) (*g15_0)(T15); void f15_0(void) { g15_0(t15); } // CHECK: define {{.*}}@f15_0() // CHECK: %[[FN:.*]] = load {{.*}} @g15_0 // CHECK-LE: %cmse.clear = and i32 {{.*}}, -65281 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -16711681 // CHECK: %[[R0:.*]] = insertvalue [2 x i32] poison, i32 %cmse.clear, 0 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 134215708 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, 941621216 // CHECK: %[[R1:.*]] = insertvalue [2 x i32] %[[R0]], i32 %cmse.clear1, 1 // CHECK: call {{.*}} void %[[FN]]([2 x i32] %[[R1]]) void __attribute__((cmse_nonsecure_call)) (*g15_1)(int, int, int, T15); void f15_1(void) { g15_1(0, 1, 2, t15); } // CHECK: define {{.*}}@f15_1() // CHECK: %[[FN:.*]] = load {{.*}} @g15_1 // CHECK-LE: %cmse.clear = and i32 {{.*}}, -65281 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -16711681 // CHECK: %[[R0:.*]] = insertvalue [2 x i32] poison, i32 %cmse.clear, 0 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 134215708 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, 941621216 // CHECK: %[[R1:.*]] = insertvalue [2 x i32] %[[R0]], i32 %cmse.clear1, 1 // CHECK: call {{.*}} void %[[FN]](i32 noundef 0, i32 noundef 1, i32 noundef 2, [2 x i32] %[[R1]]) // LE: 11111111 ........ 11111111 11111111 1111.... ...11111 ........ .111111. // LE: 0xff00fffff01f007e/9079291968726434047 // BE: 11111111 ........ 11111111 11111111 ....1111 11111... ........ .111111. // BE: 0xff00ffff0ff8007e/-71776123088273282 typedef struct T16 { char a; short b; long long : 4, c : 9, : 12, d : 6; } T16; T16 t16; void __attribute__((cmse_nonsecure_call)) (*g16_0)(T16); void f16_0(void) { g16_0(t16); } // CHECK: define {{.*}} @f16_0() // CHECK: %[[FN:.*]] = load {{.*}} @g16_0 // CHECK-LE: %cmse.clear = and i64 {{.*}}, 9079291968726434047 // CHECK-BE: %cmse.clear = and i64 {{.*}}, -71776123088273282 // CHECK: %[[R:.*]] = insertvalue [1 x i64] poison, i64 %cmse.clear, 0 // CHECK: call {{.*}} void %0([1 x i64] %[[R]]) // LE0: 1111..11 .......1 1111..11 .......1 1111..11 .......1 1111..11 .......1 // LE4: 1111..11 .......1 1111..11 .......1 11111111 11111111 11111111 ........ // LE : 0x01f301f3/32702963 * 3 + 0x00ffffff/16777215 // BE0: 11..1111 1....... 11..1111 1....... 11..1111 1....... 11..1111 1....... // BE4: 11..1111 1....... 11..1111 1....... 11111111 11111111 11111111 ........ // BE : 0xcf80cf80/-813641856 * 3 + 0xffffff00/-256 typedef struct T18 { struct T180 { short a : 2; short : 2, b : 5; } a[2][3]; char b[3]; char c[]; } T18; T18 t18; void __attribute__((cmse_nonsecure_call)) (*g18)(T18); void f18(void) { g18(t18); } // CHECK: define {{.*}} @f18() // CHECK: %[[FN:.*]] = load {{.*}} @g18 // CHECK-LE: %cmse.clear = and i32 {{.*}}, 32702963 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -813641856 // CHECK: %[[R0:.*]] = insertvalue [4 x i32] poison, i32 %cmse.clear, 0 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 32702963 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, -813641856 // CHECK: %[[R1:.*]] = insertvalue [4 x i32] %[[R0]], i32 %cmse.clear1, 1 // CHECK-LE: %cmse.clear2 = and i32 {{.*}}, 32702963 // CHECK-BE: %cmse.clear2 = and i32 {{.*}}, -813641856 // CHECK: %[[R2:.*]] = insertvalue [4 x i32] %[[R1]], i32 %cmse.clear2, 2 // CHECK-LE: %cmse.clear3 = and i32 {{.*}}, 16777215 // CHECK-BE: %cmse.clear3 = and i32 {{.*}}, -256 // CHECK: %[[R3:.*]] = insertvalue [4 x i32] %[[R2]], i32 %cmse.clear3, 3 // CHECK: call {{.*}} void %[[FN]]([4 x i32] %[[R3]]) // LE: 11111111 11111111 ..111... ..111... 0x3838ffff/943259647 // BE: 11111111 11111111 ...111.. ...111.. 0xffff1c1c/-58340 typedef union T19 { short a; struct T190 { char : 3, a : 3; } b[4]; } T19; T19 t19; void __attribute__((cmse_nonsecure_call)) (*g19)(T19); void f19(void) { g19(t19); } // CHECK: define {{.*}} @f19() // CHECK: %[[FN:.*]] = load {{.*}} @g19 // CHECK-LE: %cmse.clear = and i32 {{.*}}, 943259647 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -58340 // CHECK: %[[R:.*]] = insertvalue [1 x i32] poison, i32 %cmse.clear, 0 // CHECK: call {{.*}} void %[[FN]]([1 x i32] %[[R]]) typedef struct T20 { float a[2]; } T20; T20 t20; void __attribute__((cmse_nonsecure_call)) (*g20)(T20); void f20(void) { g20(t20); } // CHECK: define {{.*}} @f20() // CHECK: %[[FN:.*]] = load {{.*}} @g20 // CHECK-SOFTFP: call arm_aapcscc void %[[FN]]([2 x i32] // CHECK-HARDFP: call arm_aapcs_vfpcc void %[[FN]](%struct.T20