xref: /llvm-project/llvm/test/CodeGen/SPIRV/pointers/global-zeroinitializer.ll (revision 67d3ef74b31e1517d4f679e754cc2b3041c95901)
1; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-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; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
5; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
6
7; CHECK: OpName %[[#Var:]] "var"
8; CHECK-DAG: %[[#Char:]] = OpTypeInt 8 0
9; CHECK-DAG: %[[#Vec2Char:]] = OpTypeVector %[[#Char]] 2
10; CHECK-DAG: %[[#PtrVec2Char:]] = OpTypePointer CrossWorkgroup %[[#Vec2Char]]
11; CHECK-DAG: %[[#ConstNull:]] = OpConstantNull %[[#Vec2Char]]
12; CHECK: %[[#]] = OpVariable %[[#PtrVec2Char]] CrossWorkgroup %[[#ConstNull]]
13; As an option: %[[#C0:]] = OpConstant %[[#Char]] 0
14;               %[[#VecZero:]] = OpConstantComposite %[[#Vec2Char]] %[[#C0]] %[[#C0]]
15;               %[[#]] = OpVariable %[[#PtrVec2Char]] CrossWorkgroup %[[#VecZero]]
16; CHECK: OpFunction
17
18@var = addrspace(1) global <2 x i8> zeroinitializer
19
20define spir_kernel void @foo() {
21entry:
22  %addr = load <2 x i8>, ptr addrspace(1) @var, align 2
23  ret void
24}
25