diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/frame-index-elimination.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/frame-index-elimination.ll | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/test/CodeGen/AMDGPU/frame-index-elimination.ll b/test/CodeGen/AMDGPU/frame-index-elimination.ll deleted file mode 100644 index 25cbb7b105f0..000000000000 --- a/test/CodeGen/AMDGPU/frame-index-elimination.ll +++ /dev/null @@ -1,166 +0,0 @@ -; RUN: llc -mtriple=amdgcn-amd-amdhsa -mattr=-promote-alloca -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s - -; Test that non-entry function frame indices are expanded properly to -; give an index relative to the scratch wave offset register - -; Materialize into a mov. Make sure there isn't an unnecessary copy. -; GCN-LABEL: {{^}}func_mov_fi_i32: -; GCN: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) -; GCN: s_sub_u32 s6, s5, s4 -; GCN-NEXT: v_lshr_b32_e64 [[SCALED:v[0-9]+]], s6, 6 -; GCN-NEXT: v_add_i32_e64 v0, s[6:7], 4, [[SCALED]] -; GCN-NOT: v_mov -; GCN: ds_write_b32 v0, v0 -define void @func_mov_fi_i32() #0 { - %alloca = alloca i32 - store volatile i32* %alloca, i32* addrspace(3)* undef - ret void -} - -; Materialize into an add of a constant offset from the FI. -; FIXME: Should be able to merge adds - -; GCN-LABEL: {{^}}func_add_constant_to_fi_i32: -; GCN: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) -; GCN: s_sub_u32 s6, s5, s4 -; GCN-NEXT: v_lshr_b32_e64 [[SCALED:v[0-9]+]], s6, 6 -; GCN-NEXT: v_add_i32_e64 v0, s[6:7], 4, [[SCALED]] -; GCN-NEXT: v_add_i32_e32 v0, vcc, 4, v0 -; GCN-NOT: v_mov -; GCN: ds_write_b32 v0, v0 -define void @func_add_constant_to_fi_i32() #0 { - %alloca = alloca [2 x i32], align 4 - %gep0 = getelementptr inbounds [2 x i32], [2 x i32]* %alloca, i32 0, i32 1 - store volatile i32* %gep0, i32* addrspace(3)* undef - ret void -} - -; A user the materialized frame index can't be meaningfully folded -; into. - -; GCN-LABEL: {{^}}func_other_fi_user_i32: -; GCN: s_sub_u32 s6, s5, s4 -; GCN-NEXT: v_lshr_b32_e64 [[SCALED:v[0-9]+]], s6, 6 -; GCN-NEXT: v_add_i32_e64 v0, s[6:7], 4, [[SCALED]] -; GCN-NEXT: v_mul_lo_i32 v0, v0, 9 -; GCN-NOT: v_mov -; GCN: ds_write_b32 v0, v0 -define void @func_other_fi_user_i32() #0 { - %alloca = alloca [2 x i32], align 4 - %ptrtoint = ptrtoint [2 x i32]* %alloca to i32 - %mul = mul i32 %ptrtoint, 9 - store volatile i32 %mul, i32 addrspace(3)* undef - ret void -} - -; GCN-LABEL: {{^}}func_store_private_arg_i32_ptr: -; GCN: v_mov_b32_e32 v1, 15{{$}} -; GCN: buffer_store_dword v1, v0, s[0:3], s4 offen{{$}} -define void @func_store_private_arg_i32_ptr(i32* %ptr) #0 { - store volatile i32 15, i32* %ptr - ret void -} - -; GCN-LABEL: {{^}}func_load_private_arg_i32_ptr: -; GCN: s_waitcnt -; GCN-NEXT: buffer_load_dword v0, v0, s[0:3], s4 offen{{$}} -define void @func_load_private_arg_i32_ptr(i32* %ptr) #0 { - %val = load volatile i32, i32* %ptr - ret void -} - -; GCN-LABEL: {{^}}void_func_byval_struct_i8_i32_ptr: -; GCN: s_waitcnt -; GCN-NEXT: s_mov_b32 s5, s32 -; GCN-NEXT: s_sub_u32 [[SUB:s[0-9]+]], s5, s4 -; GCN-NEXT: v_lshr_b32_e64 v0, [[SUB]], 6 -; GCN-NEXT: v_add_i32_e32 v0, vcc, 4, v0 -; GCN-NOT: v_mov -; GCN: ds_write_b32 v0, v0 -define void @void_func_byval_struct_i8_i32_ptr({ i8, i32 }* byval %arg0) #0 { - %gep0 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 0 - %gep1 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 1 - %load1 = load i32, i32* %gep1 - store volatile i32* %gep1, i32* addrspace(3)* undef - ret void -} - -; GCN-LABEL: {{^}}void_func_byval_struct_i8_i32_ptr_value: -; GCN: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) -; GCN-NEXT: s_mov_b32 s5, s32 -; GCN-NEXT: buffer_load_ubyte v0, off, s[0:3], s5 -; GCN_NEXT: buffer_load_dword v1, off, s[0:3], s5 offset:4 -define void @void_func_byval_struct_i8_i32_ptr_value({ i8, i32 }* byval %arg0) #0 { - %gep0 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 0 - %gep1 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 1 - %load0 = load i8, i8* %gep0 - %load1 = load i32, i32* %gep1 - store volatile i8 %load0, i8 addrspace(3)* undef - store volatile i32 %load1, i32 addrspace(3)* undef - ret void -} - -; GCN-LABEL: {{^}}void_func_byval_struct_i8_i32_ptr_nonentry_block: -; GCN: s_sub_u32 s6, s5, s4 -; GCN: v_lshr_b32_e64 v1, s6, 6 -; GCN: s_and_saveexec_b64 - -; GCN: v_add_i32_e32 v0, vcc, 4, v1 -; GCN: buffer_load_dword v1, v1, s[0:3], s4 offen offset:4 -; GCN: ds_write_b32 -define void @void_func_byval_struct_i8_i32_ptr_nonentry_block({ i8, i32 }* byval %arg0, i32 %arg2) #0 { - %cmp = icmp eq i32 %arg2, 0 - br i1 %cmp, label %bb, label %ret - -bb: - %gep0 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 0 - %gep1 = getelementptr inbounds { i8, i32 }, { i8, i32 }* %arg0, i32 0, i32 1 - %load1 = load volatile i32, i32* %gep1 - store volatile i32* %gep1, i32* addrspace(3)* undef - br label %ret - -ret: - ret void -} - -; Added offset can't be used with VOP3 add -; GCN-LABEL: {{^}}func_other_fi_user_non_inline_imm_offset_i32: -; GCN: s_sub_u32 s6, s5, s4 -; GCN-DAG: v_lshr_b32_e64 [[SCALED:v[0-9]+]], s6, 6 -; GCN-DAG: s_movk_i32 s6, 0x204 -; GCN: v_add_i32_e64 v0, s[6:7], s6, [[SCALED]] -; GCN: v_mul_lo_i32 v0, v0, 9 -; GCN: ds_write_b32 v0, v0 -define void @func_other_fi_user_non_inline_imm_offset_i32() #0 { - %alloca0 = alloca [128 x i32], align 4 - %alloca1 = alloca [8 x i32], align 4 - %gep0 = getelementptr inbounds [128 x i32], [128 x i32]* %alloca0, i32 0, i32 65 - %gep1 = getelementptr inbounds [8 x i32], [8 x i32]* %alloca1, i32 0, i32 0 - store volatile i32 7, i32* %gep0 - %ptrtoint = ptrtoint i32* %gep1 to i32 - %mul = mul i32 %ptrtoint, 9 - store volatile i32 %mul, i32 addrspace(3)* undef - ret void -} -; GCN-LABEL: {{^}}func_other_fi_user_non_inline_imm_offset_i32_vcc_live: -; GCN: s_sub_u32 [[DIFF:s[0-9]+]], s5, s4 -; GCN-DAG: v_lshr_b32_e64 [[SCALED:v[0-9]+]], [[DIFF]], 6 -; GCN-DAG: s_movk_i32 [[OFFSET:s[0-9]+]], 0x204 -; GCN: v_add_i32_e64 v0, s{{\[[0-9]+:[0-9]+\]}}, [[OFFSET]], [[SCALED]] -; GCN: v_mul_lo_i32 v0, v0, 9 -; GCN: ds_write_b32 v0, v0 -define void @func_other_fi_user_non_inline_imm_offset_i32_vcc_live() #0 { - %alloca0 = alloca [128 x i32], align 4 - %alloca1 = alloca [8 x i32], align 4 - %vcc = call i64 asm sideeffect "; def $0", "={VCC}"() - %gep0 = getelementptr inbounds [128 x i32], [128 x i32]* %alloca0, i32 0, i32 65 - %gep1 = getelementptr inbounds [8 x i32], [8 x i32]* %alloca1, i32 0, i32 0 - store volatile i32 7, i32* %gep0 - call void asm sideeffect "; use $0", "{VCC}"(i64 %vcc) - %ptrtoint = ptrtoint i32* %gep1 to i32 - %mul = mul i32 %ptrtoint, 9 - store volatile i32 %mul, i32 addrspace(3)* undef - ret void -} - -attributes #0 = { nounwind } |
