xref: /llvm-project/llvm/test/CodeGen/SPIRV/pointers/global-zeroinitializer.ll (revision 67d3ef74b31e1517d4f679e754cc2b3041c95901)
1*67d3ef74SVyacheslav Levytskyy; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
2b0efde6dSVyacheslav Levytskyy; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
3b0efde6dSVyacheslav Levytskyy
4*67d3ef74SVyacheslav Levytskyy; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
5b0efde6dSVyacheslav Levytskyy; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
6b0efde6dSVyacheslav Levytskyy
7b0efde6dSVyacheslav Levytskyy; CHECK: OpName %[[#Var:]] "var"
8b0efde6dSVyacheslav Levytskyy; CHECK-DAG: %[[#Char:]] = OpTypeInt 8 0
9b0efde6dSVyacheslav Levytskyy; CHECK-DAG: %[[#Vec2Char:]] = OpTypeVector %[[#Char]] 2
10b0efde6dSVyacheslav Levytskyy; CHECK-DAG: %[[#PtrVec2Char:]] = OpTypePointer CrossWorkgroup %[[#Vec2Char]]
11b0efde6dSVyacheslav Levytskyy; CHECK-DAG: %[[#ConstNull:]] = OpConstantNull %[[#Vec2Char]]
12b0efde6dSVyacheslav Levytskyy; CHECK: %[[#]] = OpVariable %[[#PtrVec2Char]] CrossWorkgroup %[[#ConstNull]]
13b0efde6dSVyacheslav Levytskyy; As an option: %[[#C0:]] = OpConstant %[[#Char]] 0
14b0efde6dSVyacheslav Levytskyy;               %[[#VecZero:]] = OpConstantComposite %[[#Vec2Char]] %[[#C0]] %[[#C0]]
15b0efde6dSVyacheslav Levytskyy;               %[[#]] = OpVariable %[[#PtrVec2Char]] CrossWorkgroup %[[#VecZero]]
16b0efde6dSVyacheslav Levytskyy; CHECK: OpFunction
17b0efde6dSVyacheslav Levytskyy
18b0efde6dSVyacheslav Levytskyy@var = addrspace(1) global <2 x i8> zeroinitializer
19b0efde6dSVyacheslav Levytskyy
20b0efde6dSVyacheslav Levytskyydefine spir_kernel void @foo() {
21b0efde6dSVyacheslav Levytskyyentry:
22b0efde6dSVyacheslav Levytskyy  %addr = load <2 x i8>, ptr addrspace(1) @var, align 2
23b0efde6dSVyacheslav Levytskyy  ret void
24b0efde6dSVyacheslav Levytskyy}
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