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-rw-r--r--clang/test/CodeGenOpenCL/amdgpu-nullptr.cl534
1 files changed, 0 insertions, 534 deletions
diff --git a/clang/test/CodeGenOpenCL/amdgpu-nullptr.cl b/clang/test/CodeGenOpenCL/amdgpu-nullptr.cl
deleted file mode 100644
index 2d36fa90a6a..00000000000
--- a/clang/test/CodeGenOpenCL/amdgpu-nullptr.cl
+++ /dev/null
@@ -1,534 +0,0 @@
-// 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
-
-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* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-private char *private_p = 0;
-
-// CHECK: @local_p = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* 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 4
-global char *global_p = 0;
-
-// CHECK: @constant_p = local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
-constant char *constant_p = 0;
-
-// CHECK: @generic_p = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
-generic char *generic_p = 0;
-
-// Test NULL as initializer.
-
-// CHECK: @private_p_NULL = local_unnamed_addr addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-private char *private_p_NULL = NULL;
-
-// CHECK: @local_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* 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 4
-global char *global_p_NULL = NULL;
-
-// CHECK: @constant_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
-constant char *constant_p_NULL = NULL;
-
-// CHECK: @generic_p_NULL = local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
-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 addrspace(4)* null, align 4
-generic int *fold_generic = (global int*)(generic float*)(private char*)0;
-
-// CHECK: @fold_priv = local_unnamed_addr addrspace(1) global i16* addrspacecast (i16 addrspace(4)* null to i16*), align 4
-private short *fold_priv = (private short*)(generic int*)(global void*)0;
-
-// CHECK: @fold_priv_arith = local_unnamed_addr addrspace(1) global i8* inttoptr (i32 9 to i8*), align 4
-private char *fold_priv_arith = (private char*)0 + 10;
-
-// CHECK: @fold_int = local_unnamed_addr addrspace(1) global i32 13, align 4
-int fold_int = (int)(private void*)(generic char*)(global int*)0 + 14;
-
-// CHECK: @fold_int2 = local_unnamed_addr addrspace(1) global i32 12, align 4
-int fold_int2 = (int) ((private void*)0 + 13);
-
-// CHECK: @fold_int3 = local_unnamed_addr addrspace(1) global i32 -1, align 4
-int fold_int3 = (int) ((private int*)0);
-
-// CHECK: @fold_int4 = local_unnamed_addr addrspace(1) global i32 7, align 4
-int fold_int4 = (int) &((private int*)0)[2];
-
-// CHECK: @fold_int5 = local_unnamed_addr addrspace(1) global i32 3, align 4
-int fold_int5 = (int) &((private StructTy1*)0)->p2;
-
-// Test static variable initialization.
-
-// NOOPT: @test_static_var.sp1 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-// NOOPT: @test_static_var.sp2 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-// NOOPT: @test_static_var.sp3 = internal addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-// NOOPT: @test_static_var.sp4 = internal addrspace(1) global i8* null, align 4
-// NOOPT: @test_static_var.sp5 = internal addrspace(1) global i8* null, align 4
-// NOOPT: @test_static_var.SS1 = internal addrspace(1) global %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, align 4
-// NOOPT: @test_static_var.SS2 = internal addrspace(1) global %struct.StructTy2 zeroinitializer, align 4
-
-void test_static_var(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;
-}
-
-// Test function-scope variable initialization.
-// NOOPT-LABEL: test_func_scope_var
-// NOOPT: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** %sp1, align 4
-// NOOPT: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** %sp2, align 4
-// NOOPT: store i8* null, i8** %sp3, align 4
-// NOOPT: store i8* null, i8** %sp4, align 4
-// NOOPT: %[[SS1:.*]] = bitcast %struct.StructTy1* %SS1 to i8*
-// NOOPT: call void @llvm.memcpy.p0i8.p2i8.i64(i8* %[[SS1]], i8 addrspace(2)* bitcast (%struct.StructTy1 addrspace(2)* @test_func_scope_var.SS1 to i8 addrspace(2)*), i64 32, i32 4, i1 false)
-// NOOPT: %[[SS2:.*]] = bitcast %struct.StructTy2* %SS2 to i8*
-// NOOPT: call void @llvm.memset.p0i8.i64(i8* %[[SS2]], i8 0, i64 24, i32 4, i1 false)
-
-void test_func_scope_var(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 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 = weak local_unnamed_addr addrspace(1) global i8* addrspacecast (i8 addrspace(4)* null to i8*), align 4
-private char *p1;
-
-// CHECK: @p2 = weak local_unnamed_addr addrspace(1) global i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), align 4
-local char *p2;
-
-// CHECK: @p3 = common local_unnamed_addr addrspace(1) global i8 addrspace(2)* null, align 4
-constant char *p3;
-
-// CHECK: @p4 = common local_unnamed_addr addrspace(1) global i8 addrspace(1)* null, align 4
-global char *p4;
-
-// CHECK: @p5 = common local_unnamed_addr addrspace(1) global i8 addrspace(4)* null, align 4
-generic char *p5;
-
-// Test default initialization of sturcture.
-
-// CHECK: @S1 = weak local_unnamed_addr addrspace(1) global %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, align 4
-StructTy1 S1;
-
-// CHECK: @S2 = common local_unnamed_addr addrspace(1) global %struct.StructTy2 zeroinitializer, align 4
-StructTy2 S2;
-
-// Test default initialization of array.
-// CHECK: @A1 = weak local_unnamed_addr addrspace(1) global [2 x %struct.StructTy1] [%struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }, %struct.StructTy1 { i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(2)* null, i8 addrspace(1)* null, i8 addrspace(4)* null }], align 4
-StructTy1 A1[2];
-
-// CHECK: @A2 = common local_unnamed_addr addrspace(1) global [2 x %struct.StructTy2] zeroinitializer, align 4
-StructTy2 A2[2];
-
-// Test comparison with 0.
-
-// CHECK-LABEL: cmp_private
-// CHECK: icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
-void cmp_private(private char* p) {
- if (p != 0)
- *p = 0;
-}
-
-// CHECK-LABEL: cmp_local
-// CHECK: icmp eq i8 addrspace(3)* %p, addrspacecast (i8 addrspace(4)* 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(2)* %p, null
-char cmp_constant(constant char* p) {
- if (p != 0)
- return *p;
- else
- return 0;
-}
-
-// CHECK-LABEL: cmp_generic
-// CHECK: icmp eq i8 addrspace(4)* %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* %p, addrspacecast (i8 addrspace(4)* null to i8*)
-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 addrspace(4)* 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(2)* %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 addrspace(4)* %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* addrspacecast (i8 addrspace(4)* null to i8*), i8* addrspace(4)* %arg_private
-// CHECK: store i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(4)* %arg_local
-// CHECK: store i8 addrspace(1)* null, i8 addrspace(1)* addrspace(4)* %arg_global
-// CHECK: store i8 addrspace(2)* null, i8 addrspace(2)* addrspace(4)* %arg_constant
-// CHECK: store i8 addrspace(4)* null, i8 addrspace(4)* addrspace(4)* %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* addrspacecast (i8 addrspace(4)* null to i8*), i8* addrspace(4)* %arg_private
-// CHECK: store i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(3)* addrspace(4)* %arg_local
-// CHECK: store i8 addrspace(1)* null, i8 addrspace(1)* addrspace(4)* %arg_global
-// CHECK: store i8 addrspace(2)* null, i8 addrspace(2)* addrspace(4)* %arg_constant
-// CHECK: store i8 addrspace(4)* null, i8 addrspace(4)* addrspace(4)* %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* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(2)* null, i8 addrspace(4)* null)
-// CHECK: call void @test_pass_null_pointer_arg_calee(i8* addrspacecast (i8 addrspace(4)* null to i8*), i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*), i8 addrspace(1)* null, i8 addrspace(2)* null, i8 addrspace(4)* 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 ptrtoint (i8* addrspacecast (i8 addrspace(4)* null to i8*) to i64), i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8 addrspace(4)* null to i8 addrspace(3)*) to i64), i64 0, i64 0, i64 0)
-// CHECK: call void @test_cast_null_pointer_to_sizet_calee(i64 ptrtoint (i8* addrspacecast (i8 addrspace(4)* null to i8*) to i64), i64 ptrtoint (i8 addrspace(3)* addrspacecast (i8 addrspace(4)* 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 comparision 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* %p, addrspacecast (i8 addrspace(4)* null to i8*)
-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 addrspace(4)* 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(2)* %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 addrspace(4)* %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
-// CHECK: call void @llvm.memset.p0i8.i64(i8* {{.*}}, i8 0, i64 32, i32 8, i1 false)
-// CHECK: store i8* addrspacecast (i8 addrspace(4)* null to i8*), i8** {{.*}}
-StructTy3 test_memset(void) {
- StructTy3 S3 = {0, 0, 0, 0, 0};
- return S3;
-}
-
-// Test casting literal 0 to pointer.
-// A 0 literal casted to pointer should become a null pointer.
-
-// CHECK-LABEL: test_cast_0_to_ptr
-// CHECK: ret i32* addrspacecast (i32 addrspace(4)* null to i32*)
-private int* test_cast_0_to_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
-// CHECK: ret i32* null
-private int* test_cast_int_to_ptr1(void) {
- return (private int*)((void)0, 0);
-}
-
-// CHECK-LABEL: test_cast_int_to_ptr2
-// CHECK: ret i32* 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_ptr
-// CHECK: %[[lnot:.*]] = icmp eq i8* %p, addrspacecast (i8 addrspace(4)* null to i8*)
-// CHECK: %[[lnot_ext:.*]] = zext i1 %[[lnot]] to i32
-// CHECK: ret i32 %[[lnot_ext]]
-int test_not_ptr(private char* p) {
- return !p;
-}
-// CHECK-LABEL: test_and_ptr
-// CHECK: %[[tobool:.*]] = icmp ne i8* %p1, addrspacecast (i8 addrspace(4)* null to i8*)
-// CHECK: %[[tobool1:.*]] = icmp ne i8 addrspace(3)* %p2, addrspacecast (i8 addrspace(4)* 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
-// NOOPT: call void @test_fold_callee
-// NOOPT: store i32 addrspace(1)* null, i32 addrspace(1)** %glob, align 4
-// NOOPT: %{{.*}} = sub i64 %{{.*}}, 0
-// NOOPT: call void @test_fold_callee
-// NOOPT: %{{.*}} = add nsw i64 %{{.*}}, sext (i32 ptrtoint (i32* addrspacecast (i32 addrspace(4)* null to i32*) to i32) to i64)
-// NOOPT: %{{.*}} = sub nsw i64 %{{.*}}, 1
-void test_fold_callee(void);
-void test_fold(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);
-}
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