1*5a556d55SMatt Arsenault; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx950 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s 2*5a556d55SMatt Arsenault; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx950 -verify-machineinstrs < %s | FileCheck -check-prefix=MESA %s 3*5a556d55SMatt Arsenault 4*5a556d55SMatt Arsenault; gfx950 supports upto 160 KB configurable LDS memory. 5*5a556d55SMatt Arsenault; This test checks the max and above the old i.e. 128 KiB size of LDS that can be allocated. 6*5a556d55SMatt Arsenault 7*5a556d55SMatt Arsenault@lds.i32 = addrspace(3) global i32 poison 8*5a556d55SMatt Arsenault@lds.array.size.131076 = addrspace(3) global [32768 x i32] poison 9*5a556d55SMatt Arsenault@lds.array.size.163840 = addrspace(3) global [40959 x i32] poison 10*5a556d55SMatt Arsenault 11*5a556d55SMatt Arsenault; GCN-LABEL: test_lds_array_size_131076: 12*5a556d55SMatt Arsenault; GCN: .amdhsa_group_segment_fixed_size 131076 13*5a556d55SMatt Arsenault; GCN: ; LDSByteSize: 131076 bytes/workgroup 14*5a556d55SMatt Arsenault; MESA: granulated_lds_size = 65 15*5a556d55SMatt Arsenaultdefine amdgpu_kernel void @test_lds_array_size_131076() { 16*5a556d55SMatt Arsenault %gep = getelementptr inbounds [32768 x i32], ptr addrspace(3) @lds.array.size.131076, i32 0, i32 20 17*5a556d55SMatt Arsenault %val = load i32, ptr addrspace(3) %gep 18*5a556d55SMatt Arsenault store i32 %val, ptr addrspace(3) @lds.i32 19*5a556d55SMatt Arsenault ret void 20*5a556d55SMatt Arsenault} 21*5a556d55SMatt Arsenault 22*5a556d55SMatt Arsenault; GCN-LABEL: test_lds_array_size_163840: 23*5a556d55SMatt Arsenault; GCN: .amdhsa_group_segment_fixed_size 163840 24*5a556d55SMatt Arsenault; GCN: ; LDSByteSize: 163840 bytes/workgroup 25*5a556d55SMatt Arsenault; MESA: granulated_lds_size = 80 26*5a556d55SMatt Arsenaultdefine amdgpu_kernel void @test_lds_array_size_163840() { 27*5a556d55SMatt Arsenault %gep = getelementptr inbounds [40959 x i32], ptr addrspace(3) @lds.array.size.163840 , i32 0, i32 20 28*5a556d55SMatt Arsenault %val = load i32, ptr addrspace(3) %gep 29*5a556d55SMatt Arsenault store i32 %val, ptr addrspace(3) @lds.i32 30*5a556d55SMatt Arsenault ret void 31*5a556d55SMatt Arsenault} 32