xref: /llvm-project/llvm/test/CodeGen/AMDGPU/r600.private-memory.ll (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1; RUN: llc -mtriple=r600 -mcpu=cypress < %s | FileCheck %s -check-prefix=R600 -check-prefix=FUNC
2
3declare i32 @llvm.r600.read.tidig.x() nounwind readnone
4
5
6; Make sure we don't overwrite workitem information with private memory
7
8; FUNC-LABEL: {{^}}work_item_info:
9; R600-NOT: MOV T0.X
10; Additional check in case the move ends up in the last slot
11; R600-NOT: MOV * TO.X
12
13define amdgpu_kernel void @work_item_info(ptr addrspace(1) %out, i32 %in) {
14entry:
15  %0 = alloca [2 x i32], addrspace(5)
16  %1 = getelementptr [2 x i32], ptr addrspace(5) %0, i32 0, i32 1
17  store i32 0, ptr addrspace(5) %0
18  store i32 1, ptr addrspace(5) %1
19  %2 = getelementptr [2 x i32], ptr addrspace(5) %0, i32 0, i32 %in
20  %3 = load i32, ptr addrspace(5) %2
21  %4 = call i32 @llvm.r600.read.tidig.x()
22  %5 = add i32 %3, %4
23  store i32 %5, ptr addrspace(1) %out
24  ret void
25}
26