xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/dagcombine-reassociate-bug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Test for a bug where DAGCombiner::ReassociateOps() was creating adds
4*9880d681SAndroid Build Coastguard Worker; with offset in the first operand and base pointers in the second.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: {{^}}store_same_base_ptr:
7*9880d681SAndroid Build Coastguard Worker; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR:v\[[0-9]+:[0-9]+\]]], [[SADDR:s\[[0-9]+:[0-9]+\]]]
8*9880d681SAndroid Build Coastguard Worker; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
9*9880d681SAndroid Build Coastguard Worker; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
10*9880d681SAndroid Build Coastguard Worker; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine void @store_same_base_ptr(i32 addrspace(1)* %out) {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker  %id = call i32 @llvm.amdgcn.workitem.id.x() #0
15*9880d681SAndroid Build Coastguard Worker  %offset = sext i32 %id to i64
16*9880d681SAndroid Build Coastguard Worker  %offset0 = add i64 %offset, 1027
17*9880d681SAndroid Build Coastguard Worker  %ptr0 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset0
18*9880d681SAndroid Build Coastguard Worker  store volatile i32 3, i32 addrspace(1)* %ptr0
19*9880d681SAndroid Build Coastguard Worker  %offset1 = add i64 %offset, 1026
20*9880d681SAndroid Build Coastguard Worker  %ptr1 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset1
21*9880d681SAndroid Build Coastguard Worker  store volatile i32 2, i32 addrspace(1)* %ptr1
22*9880d681SAndroid Build Coastguard Worker  %offset2 = add i64 %offset, 1025
23*9880d681SAndroid Build Coastguard Worker  %ptr2 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset2
24*9880d681SAndroid Build Coastguard Worker  store volatile i32 1, i32 addrspace(1)* %ptr2
25*9880d681SAndroid Build Coastguard Worker  %offset3 = add i64 %offset, 1024
26*9880d681SAndroid Build Coastguard Worker  %ptr3 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset3
27*9880d681SAndroid Build Coastguard Worker  store volatile i32 0, i32 addrspace(1)* %ptr3
28*9880d681SAndroid Build Coastguard Worker  ret void
29*9880d681SAndroid Build Coastguard Worker}
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.amdgcn.workitem.id.x() #0
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind readnone }
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