File: const-var.cu

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (54 lines) | stat: -rw-r--r-- 1,950 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 -no-opaque-pointers -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
// RUN:   -emit-llvm -o - | FileCheck -check-prefix=DEV %s
// RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-unknown-linux-gnu -x hip %s \
// RUN:   -emit-llvm -o - | FileCheck -check-prefix=HOST %s

// Negative tests.

// RUN: %clang_cc1 -no-opaque-pointers -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
// RUN:   -emit-llvm -o - | FileCheck -check-prefix=DEV-NEG %s

#include "Inputs/cuda.h"

// Test const var initialized with address of a const var.
// Both are promoted to device side.

// DEV-DAG: @_ZN5Test1L1aE = internal addrspace(4) constant i32 1
// DEV-DAG: @_ZN5Test11B2p1E = addrspace(4) externally_initialized constant i32* addrspacecast (i32 addrspace(4)* @_ZN5Test1L1aE to i32*)
// DEV-DAG: @_ZN5Test11B2p2E = addrspace(4) externally_initialized constant i32* addrspacecast (i32 addrspace(4)* @_ZN5Test1L1aE to i32*)
// DEV-DAG: @_ZN5Test12b2E = addrspace(1) externally_initialized global i32 1
// HOST-DAG: @_ZN5Test1L1aE = internal constant i32 1
// HOST-DAG: @_ZN5Test11B2p1E = constant i32* @_ZN5Test1L1aE
// HOST-DAG: @_ZN5Test11B2p2E = internal constant i32* undef
// HOST-DAG: @_ZN5Test12b1E = global i32 1
// HOST-DAG: @_ZN5Test12b2E = internal global i32 undef
namespace Test1 {
const int a = 1;

struct B {
    static const int *const p1;
    static __device__ const int *const p2;
};
const int *const B::p1 = &a;
__device__ const int *const B::p2 = &a;
int b1 = B::p1 == B::p2;
__device__ int b2 = B::p1 == B::p2;
}

// Test const var initialized with address of a non-cost var.
// Neither is promoted to device side.

// DEV-NEG-NOT: @_ZN5Test2L1aE
// DEV-NEG-NOT: @_ZN5Test21B1pE
// HOST-DAG: @_ZN5Test21aE = global i32 1
// HOST-DAG: @_ZN5Test21B1pE = constant i32* @_ZN5Test21aE

namespace Test2 {
int a = 1;

struct B {
    static int *const p;
};
int *const B::p = &a;
}