1 ; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
3 ; GCN-LABEL: {{^}}scratch_buffer_known_high_bit_small:
4 ; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 4
6 ; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[FI]]
7 define amdgpu_kernel void @scratch_buffer_known_high_bit_small() #0 {
8 %alloca = alloca i32, align 4, addrspace(5)
9 store volatile i32 0, i32 addrspace(5)* %alloca
10 %toint = ptrtoint i32 addrspace(5)* %alloca to i32
11 %masked = and i32 %toint, 2147483647
12 store volatile i32 %masked, i32 addrspace(1)* undef
16 ; GCN-LABEL: {{^}}scratch_buffer_known_high_bit_huge:
17 ; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 4
18 ; GCN-DAG: buffer_store_dword
19 ; GCN-DAG: v_and_b32_e32 [[MASKED:v[0-9]+]], 0x7ffffffc, [[FI]]
20 ; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
21 define amdgpu_kernel void @scratch_buffer_known_high_bit_huge() #1 {
22 %alloca = alloca i32, align 4, addrspace(5)
23 store volatile i32 0, i32 addrspace(5)* %alloca
24 %toint = ptrtoint i32 addrspace(5)* %alloca to i32
25 %masked = and i32 %toint, 2147483647
26 store volatile i32 %masked, i32 addrspace(1)* undef
30 attributes #0 = { nounwind }
31 attributes #1 = { nounwind "target-features"="+huge-private-buffer" }