| // RUN: %clang_cc1 %s -cl-std=CL2.0 -include opencl-c.h -triple amdgcn -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 %s -O0 -cl-std=CL2.0 -include opencl-c.h -triple amdgcn -emit-llvm -o - | FileCheck --check-prefix=NOOPT %s |
| // RUN: %clang_cc1 %s -cl-std=CL2.0 -include opencl-c.h -triple amdgcn---opencl -emit-llvm -o - | FileCheck %s |
| |
| typedef struct { |
| private char *p1; |
| local char *p2; |
| constant char *p3; |
| global char *p4; |
| generic char *p5; |
| } StructTy1; |
| |
| typedef struct { |
| constant char *p3; |
| global char *p4; |
| generic char *p5; |
| } StructTy2; |
| |
| // LLVM requests global variable with common linkage to be initialized with zeroinitializer, therefore use -fno-common |
| // to suppress common linkage for tentative definition. |
| |
| // Test 0 as initializer. |
| |
| // CHECK: @private_p = local_unnamed_addr addrspace(1) global i8 addrspace(5)* null, align 4 |
| private char *private_p = 0; |
| |
| // CHECK: @local_p = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| local char *local_p = 0; |
| |
| // CHECK: @global_p = local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 8 |
| global char *global_p = 0; |
| |
| // CHECK: @constant_p = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 8 |
| constant char *constant_p = 0; |
| |
| // CHECK: @generic_p = local_unnamed_addr addrspace(1) global i8* null, align 8 |
| generic char *generic_p = 0; |
| |
| // Test NULL as initializer. |
| |
| // CHECK: @private_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(5)* null, align 4 |
| private char *private_p_NULL = NULL; |
| |
| // CHECK: @local_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| local char *local_p_NULL = NULL; |
| |
| // CHECK: @global_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 8 |
| global char *global_p_NULL = NULL; |
| |
| // CHECK: @constant_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 8 |
| constant char *constant_p_NULL = NULL; |
| |
| // CHECK: @generic_p_NULL = local_unnamed_addr addrspace(1) global i8* null, align 8 |
| generic char *generic_p_NULL = NULL; |
| |
| // Test constant folding of null pointer. |
| // A null pointer should be folded to a null pointer in the target address space. |
| |
| // CHECK: @fold_generic = local_unnamed_addr addrspace(1) global i32* null, align 8 |
| generic int *fold_generic = (global int*)(generic float*)(private char*)0; |
| |
| // CHECK: @fold_priv = local_unnamed_addr addrspace(1) global i16 addrspace(5)* null, align 4 |
| private short *fold_priv = (private short*)(generic int*)(global void*)0; |
| |
| // CHECK: @fold_priv_arith = local_unnamed_addr addrspace(1) global i8 addrspace(5)* inttoptr (i32 10 to i8 addrspace(5)*), align 4 |
| private char *fold_priv_arith = (private char*)0 + 10; |
| |
| // CHECK: @fold_int = local_unnamed_addr addrspace(1) global i32 14, align 4 |
| int fold_int = (int)(private void*)(generic char*)(global int*)0 + 14; |
| |
| // CHECK: @fold_int2 = local_unnamed_addr addrspace(1) global i32 13, align 4 |
| int fold_int2 = (int) ((private void*)0 + 13); |
| |
| // CHECK: @fold_int3 = local_unnamed_addr addrspace(1) global i32 0, align 4 |
| int fold_int3 = (int) ((private int*)0); |
| |
| // CHECK: @fold_int4 = local_unnamed_addr addrspace(1) global i32 8, align 4 |
| int fold_int4 = (int) &((private int*)0)[2]; |
| |
| // CHECK: @fold_int5 = local_unnamed_addr addrspace(1) global i32 4, align 4 |
| int fold_int5 = (int) &((private StructTy1*)0)->p2; |
| |
| |
| // CHECK: @fold_int_local = local_unnamed_addr addrspace(1) global i32 13, align 4 |
| int fold_int_local = (int)(local void*)(generic char*)(global int*)0 + 14; |
| |
| // CHECK: @fold_int2_local = local_unnamed_addr addrspace(1) global i32 12, align 4 |
| int fold_int2_local = (int) ((local void*)0 + 13); |
| |
| // CHECK: @fold_int3_local = local_unnamed_addr addrspace(1) global i32 -1, align 4 |
| int fold_int3_local = (int) ((local int*)0); |
| |
| // CHECK: @fold_int4_local = local_unnamed_addr addrspace(1) global i32 7, align 4 |
| int fold_int4_local = (int) &((local int*)0)[2]; |
| |
| // CHECK: @fold_int5_local = local_unnamed_addr addrspace(1) global i32 3, align 4 |
| int fold_int5_local = (int) &((local StructTy1*)0)->p2; |
| |
| |
| // Test static variable initialization. |
| |
| // NOOPT: @test_static_var_private.sp1 = internal addrspace(1) global i8 addrspace(5)* null, align 4 |
| // NOOPT: @test_static_var_private.sp2 = internal addrspace(1) global i8 addrspace(5)* null, align 4 |
| // NOOPT: @test_static_var_private.sp3 = internal addrspace(1) global i8 addrspace(5)* null, align 4 |
| // NOOPT: @test_static_var_private.sp4 = internal addrspace(1) global i8 addrspace(5)* null, align 4 |
| // NOOPT: @test_static_var_private.sp5 = internal addrspace(1) global i8 addrspace(5)* null, align 4 |
| // NOOPT: @test_static_var_private.SS1 = internal addrspace(1) global %struct.StructTy1 { i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(4)* null, i8 addrspace(1)* null, i8* null }, align 8 |
| // NOOPT: @test_static_var_private.SS2 = internal addrspace(1) global %struct.StructTy2 zeroinitializer, align 8 |
| |
| void test_static_var_private(void) { |
| static private char *sp1 = 0; |
| static private char *sp2 = NULL; |
| static private char *sp3; |
| static private char *sp4 = (private char*)((void)0, 0); |
| const int x = 0; |
| static private char *sp5 = (private char*)x; |
| static StructTy1 SS1; |
| static StructTy2 SS2; |
| } |
| |
| // NOOPT: @test_static_var_local.sp1 = internal addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| // NOOPT: @test_static_var_local.sp2 = internal addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| // NOOPT: @test_static_var_local.sp3 = internal addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| // NOOPT: @test_static_var_local.sp4 = internal addrspace(1) global i8 addrspace(3)* null, align 4 |
| // NOOPT: @test_static_var_local.sp5 = internal addrspace(1) global i8 addrspace(3)* null, align 4 |
| // NOOPT: @test_static_var_local.SS1 = internal addrspace(1) global %struct.StructTy1 { i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(4)* null, i8 addrspace(1)* null, i8* null }, align 8 |
| // NOOPT: @test_static_var_local.SS2 = internal addrspace(1) global %struct.StructTy2 zeroinitializer, align 8 |
| void test_static_var_local(void) { |
| static local char *sp1 = 0; |
| static local char *sp2 = NULL; |
| static local char *sp3; |
| static local char *sp4 = (local char*)((void)0, 0); |
| const int x = 0; |
| static local char *sp5 = (local char*)x; |
| static StructTy1 SS1; |
| static StructTy2 SS2; |
| } |
| |
| // Test function-scope variable initialization. |
| // NOOPT-LABEL: @test_func_scope_var_private( |
| // NOOPT: store i8 addrspace(5)* null, i8 addrspace(5)* addrspace(5)* %sp1, align 4 |
| // NOOPT: store i8 addrspace(5)* null, i8 addrspace(5)* addrspace(5)* %sp2, align 4 |
| // NOOPT: store i8 addrspace(5)* null, i8 addrspace(5)* addrspace(5)* %sp3, align 4 |
| // NOOPT: store i8 addrspace(5)* null, i8 addrspace(5)* addrspace(5)* %sp4, align 4 |
| // NOOPT: %[[SS1:.*]] = bitcast %struct.StructTy1 addrspace(5)* %SS1 to i8 addrspace(5)* |
| // NOOPT: call void @llvm.memcpy.p5i8.p4i8.i64(i8 addrspace(5)* align 8 %[[SS1]], i8 addrspace(4)* align 8 bitcast (%struct.StructTy1 addrspace(4)* @test_func_scope_var_private.SS1 to i8 addrspace(4)*), i64 32, i1 false) |
| // NOOPT: %[[SS2:.*]] = bitcast %struct.StructTy2 addrspace(5)* %SS2 to i8 addrspace(5)* |
| // NOOPT: call void @llvm.memset.p5i8.i64(i8 addrspace(5)* align 8 %[[SS2]], i8 0, i64 24, i1 false) |
| void test_func_scope_var_private(void) { |
| private char *sp1 = 0; |
| private char *sp2 = NULL; |
| private char *sp3 = (private char*)((void)0, 0); |
| const int x = 0; |
| private char *sp4 = (private char*)x; |
| StructTy1 SS1 = {0, 0, 0, 0, 0}; |
| StructTy2 SS2 = {0, 0, 0}; |
| } |
| |
| // Test function-scope variable initialization. |
| // NOOPT-LABEL: @test_func_scope_var_local( |
| // NOOPT: store i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(5)* %sp1, align 4 |
| // NOOPT: store i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(5)* %sp2, align 4 |
| // NOOPT: store i8 addrspace(3)* null, i8 addrspace(3)* addrspace(5)* %sp3, align 4 |
| // NOOPT: store i8 addrspace(3)* null, i8 addrspace(3)* addrspace(5)* %sp4, align 4 |
| // NOOPT: %[[SS1:.*]] = bitcast %struct.StructTy1 addrspace(5)* %SS1 to i8 addrspace(5)* |
| // NOOPT: call void @llvm.memcpy.p5i8.p4i8.i64(i8 addrspace(5)* align 8 %[[SS1]], i8 addrspace(4)* align 8 bitcast (%struct.StructTy1 addrspace(4)* @test_func_scope_var_local.SS1 to i8 addrspace(4)*), i64 32, i1 false) |
| // NOOPT: %[[SS2:.*]] = bitcast %struct.StructTy2 addrspace(5)* %SS2 to i8 addrspace(5)* |
| // NOOPT: call void @llvm.memset.p5i8.i64(i8 addrspace(5)* align 8 %[[SS2]], i8 0, i64 24, i1 false) |
| void test_func_scope_var_local(void) { |
| local char *sp1 = 0; |
| local char *sp2 = NULL; |
| local char *sp3 = (local char*)((void)0, 0); |
| const int x = 0; |
| local char *sp4 = (local char*)x; |
| StructTy1 SS1 = {0, 0, 0, 0, 0}; |
| StructTy2 SS2 = {0, 0, 0}; |
| } |
| |
| |
| // Test default initialization of pointers. |
| |
| // Tentative definition of global variables with non-zero initializer |
| // cannot have common linkage since common linkage requires zero initialization |
| // and does not have explicit section. |
| |
| // CHECK: @p1 = common local_unnamed_addr addrspace(1) global i8 addrspace(5)* null, align 4 |
| private char *p1; |
| |
| // CHECK: @p2 = weak local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), align 4 |
| local char *p2; |
| |
| // CHECK: @p3 = common local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 8 |
| constant char *p3; |
| |
| // CHECK: @p4 = common local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 8 |
| global char *p4; |
| |
| // CHECK: @p5 = common local_unnamed_addr addrspace(1) global i8* null, align 8 |
| generic char *p5; |
| |
| // Test default initialization of structure. |
| |
| // CHECK: @S1 = weak local_unnamed_addr addrspace(1) global %struct.StructTy1 { i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(4)* null, i8 addrspace(1)* null, i8* null }, align 8 |
| StructTy1 S1; |
| |
| // CHECK: @S2 = common local_unnamed_addr addrspace(1) global %struct.StructTy2 zeroinitializer, align 8 |
| StructTy2 S2; |
| |
| // Test default initialization of array. |
| // CHECK: @A1 = weak local_unnamed_addr addrspace(1) global [2 x %struct.StructTy1] [%struct.StructTy1 { i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(4)* null, i8 addrspace(1)* null, i8* null }, %struct.StructTy1 { i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(4)* null, i8 addrspace(1)* null, i8* null }], align 8 |
| StructTy1 A1[2]; |
| |
| // CHECK: @A2 = common local_unnamed_addr addrspace(1) global [2 x %struct.StructTy2] zeroinitializer, align 8 |
| StructTy2 A2[2]; |
| |
| // Test comparison with 0. |
| |
| // CHECK-LABEL: cmp_private |
| // CHECK: icmp eq i8 addrspace(5)* %p, null |
| void cmp_private(private char* p) { |
| if (p != 0) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_local |
| // CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8* null to i8 addrspace(3)*) |
| void cmp_local(local char* p) { |
| if (p != 0) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_global |
| // CHECK: icmp eq i8 addrspace(1)* %p, null |
| void cmp_global(global char* p) { |
| if (p != 0) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_constant |
| // CHECK: icmp eq i8 addrspace(4)* %p, null |
| char cmp_constant(constant char* p) { |
| if (p != 0) |
| return *p; |
| else |
| return 0; |
| } |
| |
| // CHECK-LABEL: cmp_generic |
| // CHECK: icmp eq i8* %p, null |
| void cmp_generic(generic char* p) { |
| if (p != 0) |
| *p = 0; |
| } |
| |
| // Test comparison with NULL. |
| |
| // CHECK-LABEL: cmp_NULL_private |
| // CHECK: icmp eq i8 addrspace(5)* %p, null |
| void cmp_NULL_private(private char* p) { |
| if (p != NULL) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_NULL_local |
| // CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8* null to i8 addrspace(3)*) |
| void cmp_NULL_local(local char* p) { |
| if (p != NULL) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_NULL_global |
| // CHECK: icmp eq i8 addrspace(1)* %p, null |
| void cmp_NULL_global(global char* p) { |
| if (p != NULL) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cmp_NULL_constant |
| // CHECK: icmp eq i8 addrspace(4)* %p, null |
| char cmp_NULL_constant(constant char* p) { |
| if (p != NULL) |
| return *p; |
| else |
| return 0; |
| } |
| |
| // CHECK-LABEL: cmp_NULL_generic |
| // CHECK: icmp eq i8* %p, null |
| void cmp_NULL_generic(generic char* p) { |
| if (p != NULL) |
| *p = 0; |
| } |
| |
| // Test storage 0 as null pointer. |
| // CHECK-LABEL: test_storage_null_pointer |
| // CHECK: store i8 addrspace(5)* null, i8 addrspace(5)** %arg_private |
| // CHECK: store i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(3)** %arg_local |
| // CHECK: store i8 addrspace(1)* null, i8 addrspace(1)** %arg_global |
| // CHECK: store i8 addrspace(4)* null, i8 addrspace(4)** %arg_constant |
| // CHECK: store i8* null, i8** %arg_generic |
| void test_storage_null_pointer(private char** arg_private, |
| local char** arg_local, |
| global char** arg_global, |
| constant char** arg_constant, |
| generic char** arg_generic) { |
| *arg_private = 0; |
| *arg_local = 0; |
| *arg_global = 0; |
| *arg_constant = 0; |
| *arg_generic = 0; |
| } |
| |
| // Test storage NULL as null pointer. |
| // CHECK-LABEL: test_storage_null_pointer_NULL |
| // CHECK: store i8 addrspace(5)* null, i8 addrspace(5)** %arg_private |
| // CHECK: store i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(3)** %arg_local |
| // CHECK: store i8 addrspace(1)* null, i8 addrspace(1)** %arg_global |
| // CHECK: store i8 addrspace(4)* null, i8 addrspace(4)** %arg_constant |
| // CHECK: store i8* null, i8** %arg_generic |
| void test_storage_null_pointer_NULL(private char** arg_private, |
| local char** arg_local, |
| global char** arg_global, |
| constant char** arg_constant, |
| generic char** arg_generic) { |
| *arg_private = NULL; |
| *arg_local = NULL; |
| *arg_global = NULL; |
| *arg_constant = NULL; |
| *arg_generic = NULL; |
| } |
| |
| // Test pass null pointer to function as argument. |
| void test_pass_null_pointer_arg_calee(private char* arg_private, |
| local char* arg_local, |
| global char* arg_global, |
| constant char* arg_constant, |
| generic char* arg_generic); |
| |
| // CHECK-LABEL: test_pass_null_pointer_arg |
| // CHECK: call void @test_pass_null_pointer_arg_calee(i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(4)* null, i8* null) |
| // CHECK: call void @test_pass_null_pointer_arg_calee(i8 addrspace(5)* null, i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(4)* null, i8* null) |
| void test_pass_null_pointer_arg(void) { |
| test_pass_null_pointer_arg_calee(0, 0, 0, 0, 0); |
| test_pass_null_pointer_arg_calee(NULL, NULL, NULL, NULL, NULL); |
| } |
| |
| // Test cast null pointer to size_t. |
| void test_cast_null_pointer_to_sizet_calee(size_t arg_private, |
| size_t arg_local, |
| size_t arg_global, |
| size_t arg_constant, |
| size_t arg_generic); |
| |
| // CHECK-LABEL: test_cast_null_pointer_to_sizet |
| // CHECK: call void @test_cast_null_pointer_to_sizet_calee(i64 0, i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*) to i64), i64 0, i64 0, i64 0) |
| // CHECK: call void @test_cast_null_pointer_to_sizet_calee(i64 0, i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8* null to i8 addrspace(3)*) to i64), i64 0, i64 0, i64 0) |
| void test_cast_null_pointer_to_sizet(void) { |
| test_cast_null_pointer_to_sizet_calee((size_t)((private char*)0), |
| (size_t)((local char*)0), |
| (size_t)((global char*)0), |
| (size_t)((constant char*)0), |
| (size_t)((generic char*)0)); |
| test_cast_null_pointer_to_sizet_calee((size_t)((private char*)NULL), |
| (size_t)((local char*)NULL), |
| (size_t)((global char*)NULL), |
| (size_t)((constant char*)0), // NULL cannot be casted to constant pointer since it is defined as a generic pointer |
| (size_t)((generic char*)NULL)); |
| } |
| |
| // Test comparison between null pointers. |
| #define TEST_EQ00(addr1, addr2) int test_eq00_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)0; } |
| #define TEST_EQ0N(addr1, addr2) int test_eq0N_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)NULL; } |
| #define TEST_EQN0(addr1, addr2) int test_eqN0_##addr1##_##addr2(void) { return (addr1 char*)NULL == (addr2 char*)0; } |
| #define TEST_EQNN(addr1, addr2) int test_eqNN_##addr1##_##addr2(void) { return (addr1 char*)0 == (addr2 char*)NULL; } |
| #define TEST_NE00(addr1, addr2) int test_ne00_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)0; } |
| #define TEST_NE0N(addr1, addr2) int test_ne0N_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)NULL; } |
| #define TEST_NEN0(addr1, addr2) int test_neN0_##addr1##_##addr2(void) { return (addr1 char*)NULL != (addr2 char*)0; } |
| #define TEST_NENN(addr1, addr2) int test_neNN_##addr1##_##addr2(void) { return (addr1 char*)0 != (addr2 char*)NULL; } |
| #define TEST(addr1, addr2) \ |
| TEST_EQ00(addr1, addr2) \ |
| TEST_EQ0N(addr1, addr2) \ |
| TEST_EQN0(addr1, addr2) \ |
| TEST_EQNN(addr1, addr2) \ |
| TEST_NE00(addr1, addr2) \ |
| TEST_NE0N(addr1, addr2) \ |
| TEST_NEN0(addr1, addr2) \ |
| TEST_NENN(addr1, addr2) |
| |
| // CHECK-LABEL: test_eq00_generic_private |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eq0N_generic_private |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqN0_generic_private |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqNN_generic_private |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_ne00_generic_private |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_ne0N_generic_private |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neN0_generic_private |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neNN_generic_private |
| // CHECK: ret i32 0 |
| TEST(generic, private) |
| |
| // CHECK-LABEL: test_eq00_generic_local |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eq0N_generic_local |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqN0_generic_local |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqNN_generic_local |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_ne00_generic_local |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_ne0N_generic_local |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neN0_generic_local |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neNN_generic_local |
| // CHECK: ret i32 0 |
| TEST(generic, local) |
| |
| // CHECK-LABEL: test_eq00_generic_global |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eq0N_generic_global |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqN0_generic_global |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqNN_generic_global |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_ne00_generic_global |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_ne0N_generic_global |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neN0_generic_global |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neNN_generic_global |
| // CHECK: ret i32 0 |
| TEST(generic, global) |
| |
| // CHECK-LABEL: test_eq00_generic_generic |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eq0N_generic_generic |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqN0_generic_generic |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_eqNN_generic_generic |
| // CHECK: ret i32 1 |
| // CHECK-LABEL: test_ne00_generic_generic |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_ne0N_generic_generic |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neN0_generic_generic |
| // CHECK: ret i32 0 |
| // CHECK-LABEL: test_neNN_generic_generic |
| // CHECK: ret i32 0 |
| TEST(generic, generic) |
| |
| // CHECK-LABEL: test_eq00_constant_constant |
| // CHECK: ret i32 1 |
| TEST_EQ00(constant, constant) |
| |
| // Test cast to bool. |
| |
| // CHECK-LABEL: cast_bool_private |
| // CHECK: icmp eq i8 addrspace(5)* %p, null |
| void cast_bool_private(private char* p) { |
| if (p) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cast_bool_local |
| // CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8* null to i8 addrspace(3)*) |
| void cast_bool_local(local char* p) { |
| if (p) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cast_bool_global |
| // CHECK: icmp eq i8 addrspace(1)* %p, null |
| void cast_bool_global(global char* p) { |
| if (p) |
| *p = 0; |
| } |
| |
| // CHECK-LABEL: cast_bool_constant |
| // CHECK: icmp eq i8 addrspace(4)* %p, null |
| char cast_bool_constant(constant char* p) { |
| if (p) |
| return *p; |
| else |
| return 0; |
| } |
| |
| // CHECK-LABEL: cast_bool_generic |
| // CHECK: icmp eq i8* %p, null |
| void cast_bool_generic(generic char* p) { |
| if (p) |
| *p = 0; |
| } |
| |
| // Test initialize a struct using memset. |
| // For large structures which is mostly zero, clang generats llvm.memset for |
| // the zero part and store for non-zero members. |
| typedef struct { |
| long a, b, c, d; |
| private char *p; |
| } StructTy3; |
| |
| // CHECK-LABEL: test_memset_private |
| // CHECK: call void @llvm.memset.p5i8.i64(i8 addrspace(5)* align 8 {{.*}}, i8 0, i64 40, i1 false) |
| void test_memset_private(private StructTy3 *ptr) { |
| StructTy3 S3 = {0, 0, 0, 0, 0}; |
| *ptr = S3; |
| } |
| |
| // Test casting literal 0 to pointer. |
| // A 0 literal casted to pointer should become a null pointer. |
| |
| // CHECK-LABEL: test_cast_0_to_local_ptr |
| // CHECK: ret i32 addrspace(3)* addrspacecast (i32* null to i32 addrspace(3)*) |
| local int* test_cast_0_to_local_ptr(void) { |
| return (local int*)0; |
| } |
| |
| // CHECK-LABEL: test_cast_0_to_private_ptr |
| // CHECK: ret i32 addrspace(5)* null |
| private int* test_cast_0_to_private_ptr(void) { |
| return (private int*)0; |
| } |
| |
| // Test casting non-literal integer with 0 value to pointer. |
| // A non-literal integer expression with 0 value is casted to a pointer with |
| // zero value. |
| |
| // CHECK-LABEL: test_cast_int_to_ptr1_private |
| // CHECK: ret i32 addrspace(5)* null |
| private int* test_cast_int_to_ptr1_private(void) { |
| return (private int*)((void)0, 0); |
| } |
| |
| // CHECK-LABEL: test_cast_int_to_ptr1_local |
| // CHECK: ret i32 addrspace(3)* null |
| local int* test_cast_int_to_ptr1_local(void) { |
| return (local int*)((void)0, 0); |
| } |
| |
| // CHECK-LABEL: test_cast_int_to_ptr2 |
| // CHECK: ret i32 addrspace(5)* null |
| private int* test_cast_int_to_ptr2(void) { |
| int x = 0; |
| return (private int*)x; |
| } |
| |
| // Test logical operations. |
| // CHECK-LABEL: test_not_nullptr |
| // CHECK: ret i32 1 |
| int test_not_nullptr(void) { |
| return !(private char*)NULL; |
| } |
| |
| // CHECK-LABEL: test_and_nullptr |
| // CHECK: ret i32 0 |
| int test_and_nullptr(int a) { |
| return a && ((private char*)NULL); |
| } |
| |
| // CHECK-LABEL: test_not_private_ptr |
| // CHECK: %[[lnot:.*]] = icmp eq i8 addrspace(5)* %p, null |
| // CHECK: %[[lnot_ext:.*]] = zext i1 %[[lnot]] to i32 |
| // CHECK: ret i32 %[[lnot_ext]] |
| int test_not_private_ptr(private char* p) { |
| return !p; |
| } |
| |
| // CHECK-LABEL: test_not_local_ptr |
| // CHECK: %[[lnot:.*]] = icmp eq i8 addrspace(3)* %p, addrspacecast (i8* null to i8 addrspace(3)*) |
| // CHECK: %[[lnot_ext:.*]] = zext i1 %[[lnot]] to i32 |
| // CHECK: ret i32 %[[lnot_ext]] |
| int test_not_local_ptr(local char* p) { |
| return !p; |
| } |
| |
| |
| // CHECK-LABEL: test_and_ptr |
| // CHECK: %[[tobool:.*]] = icmp ne i8 addrspace(5)* %p1, null |
| // CHECK: %[[tobool1:.*]] = icmp ne i8 addrspace(3)* %p2, addrspacecast (i8* null to i8 addrspace(3)*) |
| // CHECK: %[[res:.*]] = and i1 %[[tobool]], %[[tobool1]] |
| // CHECK: %[[land_ext:.*]] = zext i1 %[[res]] to i32 |
| // CHECK: ret i32 %[[land_ext]] |
| int test_and_ptr(private char* p1, local char* p2) { |
| return p1 && p2; |
| } |
| |
| // Test folding of null pointer in function scope. |
| // NOOPT-LABEL: test_fold_private |
| // NOOPT: call void @test_fold_callee |
| // NOOPT: store i32 addrspace(1)* null, i32 addrspace(1)* addrspace(5)* %glob, align 8 |
| // NOOPT: %{{.*}} = sub i64 %{{.*}}, 0 |
| // NOOPT: call void @test_fold_callee |
| // NOOPT: %{{.*}} = add nsw i64 %{{.*}}, 0 |
| // NOOPT: %{{.*}} = sub nsw i64 %{{.*}}, 1 |
| void test_fold_callee(void); |
| void test_fold_private(void) { |
| global int* glob = (test_fold_callee(), (global int*)(generic char*)0); |
| long x = glob - (global int*)(generic char*)0; |
| x = x + (int)(test_fold_callee(), (private int*)(generic char*)(global short*)0); |
| x = x - (int)((private int*)0 == (private int*)(generic char*)0); |
| } |
| |
| // NOOPT-LABEL: test_fold_local |
| // NOOPT: call void @test_fold_callee |
| // NOOPT: store i32 addrspace(1)* null, i32 addrspace(1)* addrspace(5)* %glob, align 8 |
| // NOOPT: %{{.*}} = sub i64 %{{.*}}, 0 |
| // NOOPT: call void @test_fold_callee |
| // NOOPT: %{{.*}} = add nsw i64 %{{.*}}, sext (i32 ptrtoint (i32 addrspace(3)* addrspacecast (i32* null to i32 addrspace(3)*) to i32) to i64) |
| // NOOPT: %{{.*}} = sub nsw i64 %{{.*}}, 1 |
| void test_fold_local(void) { |
| global int* glob = (test_fold_callee(), (global int*)(generic char*)0); |
| long x = glob - (global int*)(generic char*)0; |
| x = x + (int)(test_fold_callee(), (local int*)(generic char*)(global short*)0); |
| x = x - (int)((local int*)0 == (local int*)(generic char*)0); |
| } |
