xref: /llvm-project/llvm/test/CodeGen/SPIRV/constant/global-constants.ll (revision 67d3ef74b31e1517d4f679e754cc2b3041c95901)
1; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
3
4@global   = addrspace(1) constant i32 1 ; OpenCL global memory
5@constant = addrspace(2) constant i32 2 ; OpenCL constant memory
6@local    = addrspace(3) constant i32 3 ; OpenCL local memory
7
8define i32 @getGlobal1() {
9  %g = load i32, i32 addrspace(1)* @global
10  ret i32 %g
11}
12
13define i32 @getGlobal2() {
14  %g = load i32, i32 addrspace(2)* @constant
15  ret i32 %g
16}
17
18define i32 @getGlobal3() {
19  %g = load i32, i32 addrspace(3)* @local
20  ret i32 %g
21}
22
23; CHECK:     [[INT:%.+]] = OpTypeInt 32
24
25; CHECK-DAG: [[PTR_TO_INT_AS1:%.+]] = OpTypePointer CrossWorkgroup [[INT]]
26; CHECK-DAG: [[PTR_TO_INT_AS2:%.+]] = OpTypePointer UniformConstant [[INT]]
27; CHECK-DAG: [[PTR_TO_INT_AS3:%.+]] = OpTypePointer Workgroup [[INT]]
28
29; CHECK-DAG: [[CST_AS1:%.+]] = OpConstant [[INT]] 1
30; CHECK-DAG: [[CST_AS2:%.+]] = OpConstant [[INT]] 2
31; CHECK-DAG: [[CST_AS3:%.+]] = OpConstant [[INT]] 3
32
33; CHECK-DAG: [[GV1:%.+]] = OpVariable [[PTR_TO_INT_AS1]] CrossWorkgroup [[CST_AS1]]
34; CHECK-DAG: [[GV2:%.+]] = OpVariable [[PTR_TO_INT_AS2]] UniformConstant [[CST_AS2]]
35; CHECK-DAG: [[GV3:%.+]] = OpVariable [[PTR_TO_INT_AS3]] Workgroup [[CST_AS3]]
36
37; CHECK:     OpLoad [[INT]] [[GV1]]
38; CHECK:     OpLoad [[INT]] [[GV2]]
39; CHECK:     OpLoad [[INT]] [[GV3]]
40