1 ;RUN: llc < %s -march=amdgcn -mcpu=verde -mattr=-promote-alloca -verify-machineinstrs | FileCheck %s -check-prefix=CHECK
2 ;RUN: llc < %s -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=-promote-alloca -verify-machineinstrs | FileCheck %s -check-prefix=CHECK
4 ; Allocate two stack slots of 2052 bytes each requiring a total of 4104 bytes.
5 ; Extracting the last element of each does not fit into the offset field of
6 ; MUBUF instructions, so a new base register is needed. This used to not
7 ; happen, leading to an assertion.
9 ; CHECK-LABEL: {{^}}main:
10 ; CHECK: buffer_store_dword
11 ; CHECK: buffer_store_dword
12 ; CHECK: buffer_load_dword
13 ; CHECK: buffer_load_dword
14 define amdgpu_gs float @main(float %v1, float %v2, i32 %idx1, i32 %idx2) {
16 %m1 = alloca [513 x float], addrspace(5)
17 %m2 = alloca [513 x float], addrspace(5)
19 %gep1.store = getelementptr [513 x float], [513 x float] addrspace(5)* %m1, i32 0, i32 %idx1
20 store float %v1, float addrspace(5)* %gep1.store
22 %gep2.store = getelementptr [513 x float], [513 x float] addrspace(5)* %m2, i32 0, i32 %idx2
23 store float %v2, float addrspace(5)* %gep2.store
25 ; This used to use a base reg equal to 0.
26 %gep1.load = getelementptr [513 x float], [513 x float] addrspace(5)* %m1, i32 0, i32 0
27 %out1 = load float, float addrspace(5)* %gep1.load
29 ; This used to attempt to re-use the base reg at 0, generating an out-of-bounds instruction offset.
30 %gep2.load = getelementptr [513 x float], [513 x float] addrspace(5)* %m2, i32 0, i32 512
31 %out2 = load float, float addrspace(5)* %gep2.load
33 %r = fadd float %out1, %out2