Index: test/CodeGen/AMDGPU/amdgcn.private-memory.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/amdgcn.private-memory.ll @@ -0,0 +1,36 @@ +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-PROMOTE +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-ALLOCA +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC + +; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=HSAOPT -check-prefix=OPT %s +; RUN: opt -S -mtriple=amdgcn-unknown-unknown -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=NOHSAOPT -check-prefix=OPT %s + +declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone + + +; Make sure we don't overwrite workitem information with private memory + +; FUNC-LABEL: {{^}}work_item_info: +; R600-NOT: MOV T0.X +; Additional check in case the move ends up in the last slot +; R600-NOT: MOV * TO.X + +; SI-NOT: v_mov_b32_e{{(32|64)}} v0 +define void @work_item_info(i32 addrspace(1)* %out, i32 %in) { +entry: + %0 = alloca [2 x i32] + %1 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 0 + %2 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 1 + store i32 0, i32* %1 + store i32 1, i32* %2 + %3 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 %in + %4 = load i32, i32* %3 + %5 = call i32 @llvm.amdgcn.workitem.id.x() + %6 = add i32 %4, %5 + store i32 %6, i32 addrspace(1)* %out + ret void +} + Index: test/CodeGen/AMDGPU/amdgpu.private-memory.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/amdgpu.private-memory.ll @@ -0,0 +1,403 @@ +; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck %s -check-prefix=R600 -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-PROMOTE +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-ALLOCA +; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC +; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC + +; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=HSAOPT -check-prefix=OPT %s +; RUN: opt -S -mtriple=amdgcn-unknown-unknown -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=NOHSAOPT -check-prefix=OPT %s + +; HSAOPT: @mova_same_clause.stack = internal unnamed_addr addrspace(3) global [256 x [5 x i32]] undef, align 4 +; HSAOPT: @high_alignment.stack = internal unnamed_addr addrspace(3) global [256 x [8 x i32]] undef, align 16 + + +; FUNC-LABEL: {{^}}mova_same_clause: +; OPT-LABEL: @mova_same_clause( + +; R600: LDS_WRITE +; R600: LDS_WRITE +; R600: LDS_READ +; R600: LDS_READ + +; HSA-PROMOTE: .amd_kernel_code_t +; HSA-PROMOTE: workgroup_group_segment_byte_size = 5120 +; HSA-PROMOTE: .end_amd_kernel_code_t + +; FIXME: These should be merged +; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x1 +; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x2 + +; SI-PROMOTE: ds_write_b32 +; SI-PROMOTE: ds_write_b32 +; SI-PROMOTE: ds_read_b32 +; SI-PROMOTE: ds_read_b32 + +; HSA-ALLOCA: .amd_kernel_code_t +; FIXME: Creating the emergency stack slots causes us to over-estimate scratch +; by 4 bytes. +; HSA-ALLOCA: workitem_private_segment_byte_size = 24 +; HSA-ALLOCA: .end_amd_kernel_code_t + +; HSA-ALLOCA: s_mov_b32 flat_scratch_lo, s7 +; HSA-ALLOCA: s_add_u32 s6, s6, s9 +; HSA-ALLOCA: s_lshr_b32 flat_scratch_hi, s6, 8 + +; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0 +; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0 + + +; HSAOPT: [[DISPATCH_PTR:%[0-9]+]] = call noalias nonnull dereferenceable(64) i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr() +; HSAOPT: [[CAST_DISPATCH_PTR:%[0-9]+]] = bitcast i8 addrspace(2)* [[DISPATCH_PTR]] to i32 addrspace(2)* +; HSAOPT: [[GEP0:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 1 +; HSAOPT: [[LDXY:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP0]], align 4, !invariant.load !0 +; HSAOPT: [[GEP1:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 2 +; HSAOPT: [[LDZU:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP1]], align 4, !range !1, !invariant.load !0 +; HSAOPT: [[EXTRACTY:%[0-9]+]] = lshr i32 [[LDXY]], 16 + +; HSAOPT: [[WORKITEM_ID_X:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.x(), !range !1 +; HSAOPT: [[WORKITEM_ID_Y:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.y(), !range !1 +; HSAOPT: [[WORKITEM_ID_Z:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.z(), !range !1 + +; HSAOPT: [[Y_SIZE_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[EXTRACTY]], [[LDZU]] +; HSAOPT: [[YZ_X_XID:%[0-9]+]] = mul i32 [[Y_SIZE_X_Z_SIZE]], [[WORKITEM_ID_X]] +; HSAOPT: [[Y_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[WORKITEM_ID_Y]], [[LDZU]] +; HSAOPT: [[ADD_YZ_X_X_YZ_SIZE:%[0-9]+]] = add i32 [[YZ_X_XID]], [[Y_X_Z_SIZE]] +; HSAOPT: [[ADD_ZID:%[0-9]+]] = add i32 [[ADD_YZ_X_X_YZ_SIZE]], [[WORKITEM_ID_Z]] + +; HSAOPT: [[LOCAL_GEP:%[0-9]+]] = getelementptr inbounds [256 x [5 x i32]], [256 x [5 x i32]] addrspace(3)* @mova_same_clause.stack, i32 0, i32 [[ADD_ZID]] +; HSAOPT: %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}} +; HSAOPT: %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}} +; HSAOPT: %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 0 +; HSAOPT: %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 1 + + +; NOHSAOPT: call i32 @llvm.r600.read.local.size.y(), !range !0 +; NOHSAOPT: call i32 @llvm.r600.read.local.size.z(), !range !0 +; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.x(), !range !0 +; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.y(), !range !0 +; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.z(), !range !0 +define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { +entry: + %stack = alloca [5 x i32], align 4 + %0 = load i32, i32 addrspace(1)* %in, align 4 + %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %0 + store i32 4, i32* %arrayidx1, align 4 + %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 + %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1 + store i32 5, i32* %arrayidx3, align 4 + %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0 + %2 = load i32, i32* %arrayidx10, align 4 + store i32 %2, i32 addrspace(1)* %out, align 4 + %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1 + %3 = load i32, i32* %arrayidx12 + %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 + store i32 %3, i32 addrspace(1)* %arrayidx13 + ret void +} + +; OPT-LABEL: @high_alignment( +; OPT: getelementptr inbounds [256 x [8 x i32]], [256 x [8 x i32]] addrspace(3)* @high_alignment.stack, i32 0, i32 %{{[0-9]+}} +define void @high_alignment(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { +entry: + %stack = alloca [8 x i32], align 16 + %0 = load i32, i32 addrspace(1)* %in, align 4 + %arrayidx1 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %0 + store i32 4, i32* %arrayidx1, align 4 + %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 + %arrayidx3 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %1 + store i32 5, i32* %arrayidx3, align 4 + %arrayidx10 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 0 + %2 = load i32, i32* %arrayidx10, align 4 + store i32 %2, i32 addrspace(1)* %out, align 4 + %arrayidx12 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 1 + %3 = load i32, i32* %arrayidx12 + %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 + store i32 %3, i32 addrspace(1)* %arrayidx13 + ret void +} + +; FUNC-LABEL: {{^}}no_replace_inbounds_gep: +; OPT-LABEL: @no_replace_inbounds_gep( +; OPT: alloca [5 x i32] + +; SI-NOT: ds_write +define void @no_replace_inbounds_gep(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { +entry: + %stack = alloca [5 x i32], align 4 + %0 = load i32, i32 addrspace(1)* %in, align 4 + %arrayidx1 = getelementptr [5 x i32], [5 x i32]* %stack, i32 0, i32 %0 + store i32 4, i32* %arrayidx1, align 4 + %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 + %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1 + store i32 5, i32* %arrayidx3, align 4 + %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0 + %2 = load i32, i32* %arrayidx10, align 4 + store i32 %2, i32 addrspace(1)* %out, align 4 + %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1 + %3 = load i32, i32* %arrayidx12 + %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 + store i32 %3, i32 addrspace(1)* %arrayidx13 + ret void +} + +; This test checks that the stack offset is calculated correctly for structs. +; All register loads/stores should be optimized away, so there shouldn't be +; any MOVA instructions. +; +; XXX: This generated code has unnecessary MOVs, we should be able to optimize +; this. + +; FUNC-LABEL: {{^}}multiple_structs: +; OPT-LABEL: @multiple_structs( + +; R600-NOT: MOVA_INT +; SI-NOT: v_movrel +; SI-NOT: v_movrel +%struct.point = type { i32, i32 } + +define void @multiple_structs(i32 addrspace(1)* %out) { +entry: + %a = alloca %struct.point + %b = alloca %struct.point + %a.x.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0 + %a.y.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 1 + %b.x.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0 + %b.y.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 1 + store i32 0, i32* %a.x.ptr + store i32 1, i32* %a.y.ptr + store i32 2, i32* %b.x.ptr + store i32 3, i32* %b.y.ptr + %a.indirect.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0 + %b.indirect.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0 + %a.indirect = load i32, i32* %a.indirect.ptr + %b.indirect = load i32, i32* %b.indirect.ptr + %0 = add i32 %a.indirect, %b.indirect + store i32 %0, i32 addrspace(1)* %out + ret void +} + +; Test direct access of a private array inside a loop. The private array +; loads and stores should be lowered to copies, so there shouldn't be any +; MOVA instructions. + +; FUNC-LABEL: {{^}}direct_loop: +; R600-NOT: MOVA_INT +; SI-NOT: v_movrel + +define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { +entry: + %prv_array_const = alloca [2 x i32] + %prv_array = alloca [2 x i32] + %a = load i32, i32 addrspace(1)* %in + %b_src_ptr = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %b = load i32, i32 addrspace(1)* %b_src_ptr + %a_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0 + store i32 %a, i32* %a_dst_ptr + %b_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 1 + store i32 %b, i32* %b_dst_ptr + br label %for.body + +for.body: + %inc = phi i32 [0, %entry], [%count, %for.body] + %x_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0 + %x = load i32, i32* %x_ptr + %y_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0 + %y = load i32, i32* %y_ptr + %xy = add i32 %x, %y + store i32 %xy, i32* %y_ptr + %count = add i32 %inc, 1 + %done = icmp eq i32 %count, 4095 + br i1 %done, label %for.end, label %for.body + +for.end: + %value_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0 + %value = load i32, i32* %value_ptr + store i32 %value, i32 addrspace(1)* %out + ret void +} + +; FUNC-LABEL: {{^}}short_array: + +; R600: MOVA_INT + +; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x68,0xe0 +; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:2 ; encoding: [0x02,0x10,0x68,0xe0 +; SI-PROMOTE: buffer_load_sshort v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} +define void @short_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %0 = alloca [2 x i16] + %1 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 0 + %2 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 1 + store i16 0, i16* %1 + store i16 1, i16* %2 + %3 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 %index + %4 = load i16, i16* %3 + %5 = sext i16 %4 to i32 + store i32 %5, i32 addrspace(1)* %out + ret void +} + +; FUNC-LABEL: {{^}}char_array: + +; R600: MOVA_INT + +; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x60,0xe0 +; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:1 ; encoding: [0x01,0x10,0x60,0xe0 +define void @char_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %0 = alloca [2 x i8] + %1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0 + %2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1 + store i8 0, i8* %1 + store i8 1, i8* %2 + %3 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 %index + %4 = load i8, i8* %3 + %5 = sext i8 %4 to i32 + store i32 %5, i32 addrspace(1)* %out + ret void + +} + + +; Test that two stack objects are not stored in the same register +; The second stack object should be in T3.X +; FUNC-LABEL: {{^}}no_overlap: +; R600_CHECK: MOV +; R600_CHECK: [[CHAN:[XYZW]]]+ +; R600-NOT: [[CHAN]]+ +; SI: v_mov_b32_e32 v3 +define void @no_overlap(i32 addrspace(1)* %out, i32 %in) { +entry: + %0 = alloca [3 x i8], align 1 + %1 = alloca [2 x i8], align 1 + %2 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 0 + %3 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 1 + %4 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 2 + %5 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 0 + %6 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 1 + store i8 0, i8* %2 + store i8 1, i8* %3 + store i8 2, i8* %4 + store i8 1, i8* %5 + store i8 0, i8* %6 + %7 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 %in + %8 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 %in + %9 = load i8, i8* %7 + %10 = load i8, i8* %8 + %11 = add i8 %9, %10 + %12 = sext i8 %11 to i32 + store i32 %12, i32 addrspace(1)* %out + ret void +} + +define void @char_array_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %alloca = alloca [2 x [2 x i8]] + %gep0 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 0 + %gep1 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 1 + store i8 0, i8* %gep0 + store i8 1, i8* %gep1 + %gep2 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 %index + %load = load i8, i8* %gep2 + %sext = sext i8 %load to i32 + store i32 %sext, i32 addrspace(1)* %out + ret void +} + +define void @i32_array_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %alloca = alloca [2 x [2 x i32]] + %gep0 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 0 + %gep1 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 1 + store i32 0, i32* %gep0 + store i32 1, i32* %gep1 + %gep2 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 %index + %load = load i32, i32* %gep2 + store i32 %load, i32 addrspace(1)* %out + ret void +} + +define void @i64_array_array(i64 addrspace(1)* %out, i32 %index) { +entry: + %alloca = alloca [2 x [2 x i64]] + %gep0 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 0 + %gep1 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 1 + store i64 0, i64* %gep0 + store i64 1, i64* %gep1 + %gep2 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 %index + %load = load i64, i64* %gep2 + store i64 %load, i64 addrspace(1)* %out + ret void +} + +%struct.pair32 = type { i32, i32 } + +define void @struct_array_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %alloca = alloca [2 x [2 x %struct.pair32]] + %gep0 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 0, i32 1 + %gep1 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 1, i32 1 + store i32 0, i32* %gep0 + store i32 1, i32* %gep1 + %gep2 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 %index, i32 0 + %load = load i32, i32* %gep2 + store i32 %load, i32 addrspace(1)* %out + ret void +} + +define void @struct_pair32_array(i32 addrspace(1)* %out, i32 %index) { +entry: + %alloca = alloca [2 x %struct.pair32] + %gep0 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 0, i32 1 + %gep1 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 1, i32 0 + store i32 0, i32* %gep0 + store i32 1, i32* %gep1 + %gep2 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 %index, i32 0 + %load = load i32, i32* %gep2 + store i32 %load, i32 addrspace(1)* %out + ret void +} + +define void @select_private(i32 addrspace(1)* %out, i32 %in) nounwind { +entry: + %tmp = alloca [2 x i32] + %tmp1 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 0 + %tmp2 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 1 + store i32 0, i32* %tmp1 + store i32 1, i32* %tmp2 + %cmp = icmp eq i32 %in, 0 + %sel = select i1 %cmp, i32* %tmp1, i32* %tmp2 + %load = load i32, i32* %sel + store i32 %load, i32 addrspace(1)* %out + ret void +} + +; AMDGPUPromoteAlloca does not know how to handle ptrtoint. When it +; finds one, it should stop trying to promote. + +; FUNC-LABEL: ptrtoint: +; SI-NOT: ds_write +; SI: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen +; SI: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:5 ; +define void @ptrtoint(i32 addrspace(1)* %out, i32 %a, i32 %b) { + %alloca = alloca [16 x i32] + %tmp0 = getelementptr [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a + store i32 5, i32* %tmp0 + %tmp1 = ptrtoint [16 x i32]* %alloca to i32 + %tmp2 = add i32 %tmp1, 5 + %tmp3 = inttoptr i32 %tmp2 to i32* + %tmp4 = getelementptr i32, i32* %tmp3, i32 %b + %tmp5 = load i32, i32* %tmp4 + store i32 %tmp5, i32 addrspace(1)* %out + ret void +} + +; HSAOPT: !0 = !{} +; HSAOPT: !1 = !{i32 0, i32 2048} + +; NOHSAOPT: !0 = !{i32 0, i32 2048} Index: test/CodeGen/AMDGPU/private-memory.ll =================================================================== --- test/CodeGen/AMDGPU/private-memory.ll +++ /dev/null @@ -1,426 +0,0 @@ -; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-PROMOTE -; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-ALLOCA -; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC - -; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=HSAOPT -check-prefix=OPT %s -; RUN: opt -S -mtriple=amdgcn-unknown-unknown -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck -check-prefix=NOHSAOPT -check-prefix=OPT %s - -declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone - -; HSAOPT: @mova_same_clause.stack = internal unnamed_addr addrspace(3) global [256 x [5 x i32]] undef, align 4 -; HSAOPT: @high_alignment.stack = internal unnamed_addr addrspace(3) global [256 x [8 x i32]] undef, align 16 - - -; FUNC-LABEL: {{^}}mova_same_clause: -; OPT-LABEL: @mova_same_clause( - -; R600: LDS_WRITE -; R600: LDS_WRITE -; R600: LDS_READ -; R600: LDS_READ - -; HSA-PROMOTE: .amd_kernel_code_t -; HSA-PROMOTE: workgroup_group_segment_byte_size = 5120 -; HSA-PROMOTE: .end_amd_kernel_code_t - -; FIXME: These should be merged -; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x1 -; HSA-PROMOTE: s_load_dword s{{[0-9]+}}, s[4:5], 0x2 - -; SI-PROMOTE: ds_write_b32 -; SI-PROMOTE: ds_write_b32 -; SI-PROMOTE: ds_read_b32 -; SI-PROMOTE: ds_read_b32 - -; HSA-ALLOCA: .amd_kernel_code_t -; FIXME: Creating the emergency stack slots causes us to over-estimate scratch -; by 4 bytes. -; HSA-ALLOCA: workitem_private_segment_byte_size = 24 -; HSA-ALLOCA: .end_amd_kernel_code_t - -; HSA-ALLOCA: s_mov_b32 flat_scratch_lo, s7 -; HSA-ALLOCA: s_add_u32 s6, s6, s9 -; HSA-ALLOCA: s_lshr_b32 flat_scratch_hi, s6, 8 - -; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0 -; SI-ALLOCA: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x70,0xe0 - - -; HSAOPT: [[DISPATCH_PTR:%[0-9]+]] = call noalias nonnull dereferenceable(64) i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr() -; HSAOPT: [[CAST_DISPATCH_PTR:%[0-9]+]] = bitcast i8 addrspace(2)* [[DISPATCH_PTR]] to i32 addrspace(2)* -; HSAOPT: [[GEP0:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 1 -; HSAOPT: [[LDXY:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP0]], align 4, !invariant.load !0 -; HSAOPT: [[GEP1:%[0-9]+]] = getelementptr inbounds i32, i32 addrspace(2)* [[CAST_DISPATCH_PTR]], i64 2 -; HSAOPT: [[LDZU:%[0-9]+]] = load i32, i32 addrspace(2)* [[GEP1]], align 4, !range !1, !invariant.load !0 -; HSAOPT: [[EXTRACTY:%[0-9]+]] = lshr i32 [[LDXY]], 16 - -; HSAOPT: [[WORKITEM_ID_X:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.x(), !range !1 -; HSAOPT: [[WORKITEM_ID_Y:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.y(), !range !1 -; HSAOPT: [[WORKITEM_ID_Z:%[0-9]+]] = call i32 @llvm.amdgcn.workitem.id.z(), !range !1 - -; HSAOPT: [[Y_SIZE_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[EXTRACTY]], [[LDZU]] -; HSAOPT: [[YZ_X_XID:%[0-9]+]] = mul i32 [[Y_SIZE_X_Z_SIZE]], [[WORKITEM_ID_X]] -; HSAOPT: [[Y_X_Z_SIZE:%[0-9]+]] = mul nuw nsw i32 [[WORKITEM_ID_Y]], [[LDZU]] -; HSAOPT: [[ADD_YZ_X_X_YZ_SIZE:%[0-9]+]] = add i32 [[YZ_X_XID]], [[Y_X_Z_SIZE]] -; HSAOPT: [[ADD_ZID:%[0-9]+]] = add i32 [[ADD_YZ_X_X_YZ_SIZE]], [[WORKITEM_ID_Z]] - -; HSAOPT: [[LOCAL_GEP:%[0-9]+]] = getelementptr inbounds [256 x [5 x i32]], [256 x [5 x i32]] addrspace(3)* @mova_same_clause.stack, i32 0, i32 [[ADD_ZID]] -; HSAOPT: %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}} -; HSAOPT: %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 {{%[0-9]+}} -; HSAOPT: %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 0 -; HSAOPT: %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(3)* [[LOCAL_GEP]], i32 0, i32 1 - - -; NOHSAOPT: call i32 @llvm.r600.read.local.size.y(), !range !0 -; NOHSAOPT: call i32 @llvm.r600.read.local.size.z(), !range !0 -; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.x(), !range !0 -; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.y(), !range !0 -; NOHSAOPT: call i32 @llvm.amdgcn.workitem.id.z(), !range !0 -define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { -entry: - %stack = alloca [5 x i32], align 4 - %0 = load i32, i32 addrspace(1)* %in, align 4 - %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %0 - store i32 4, i32* %arrayidx1, align 4 - %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 - %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 - %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1 - store i32 5, i32* %arrayidx3, align 4 - %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0 - %2 = load i32, i32* %arrayidx10, align 4 - store i32 %2, i32 addrspace(1)* %out, align 4 - %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1 - %3 = load i32, i32* %arrayidx12 - %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 - store i32 %3, i32 addrspace(1)* %arrayidx13 - ret void -} - -; OPT-LABEL: @high_alignment( -; OPT: getelementptr inbounds [256 x [8 x i32]], [256 x [8 x i32]] addrspace(3)* @high_alignment.stack, i32 0, i32 %{{[0-9]+}} -define void @high_alignment(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { -entry: - %stack = alloca [8 x i32], align 16 - %0 = load i32, i32 addrspace(1)* %in, align 4 - %arrayidx1 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %0 - store i32 4, i32* %arrayidx1, align 4 - %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 - %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 - %arrayidx3 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 %1 - store i32 5, i32* %arrayidx3, align 4 - %arrayidx10 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 0 - %2 = load i32, i32* %arrayidx10, align 4 - store i32 %2, i32 addrspace(1)* %out, align 4 - %arrayidx12 = getelementptr inbounds [8 x i32], [8 x i32]* %stack, i32 0, i32 1 - %3 = load i32, i32* %arrayidx12 - %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 - store i32 %3, i32 addrspace(1)* %arrayidx13 - ret void -} - -; FUNC-LABEL: {{^}}no_replace_inbounds_gep: -; OPT-LABEL: @no_replace_inbounds_gep( -; OPT: alloca [5 x i32] - -; SI-NOT: ds_write -define void @no_replace_inbounds_gep(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { -entry: - %stack = alloca [5 x i32], align 4 - %0 = load i32, i32 addrspace(1)* %in, align 4 - %arrayidx1 = getelementptr [5 x i32], [5 x i32]* %stack, i32 0, i32 %0 - store i32 4, i32* %arrayidx1, align 4 - %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 - %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 - %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 %1 - store i32 5, i32* %arrayidx3, align 4 - %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 0 - %2 = load i32, i32* %arrayidx10, align 4 - store i32 %2, i32 addrspace(1)* %out, align 4 - %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32]* %stack, i32 0, i32 1 - %3 = load i32, i32* %arrayidx12 - %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 - store i32 %3, i32 addrspace(1)* %arrayidx13 - ret void -} - -; This test checks that the stack offset is calculated correctly for structs. -; All register loads/stores should be optimized away, so there shouldn't be -; any MOVA instructions. -; -; XXX: This generated code has unnecessary MOVs, we should be able to optimize -; this. - -; FUNC-LABEL: {{^}}multiple_structs: -; OPT-LABEL: @multiple_structs( - -; R600-NOT: MOVA_INT -; SI-NOT: v_movrel -; SI-NOT: v_movrel -%struct.point = type { i32, i32 } - -define void @multiple_structs(i32 addrspace(1)* %out) { -entry: - %a = alloca %struct.point - %b = alloca %struct.point - %a.x.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0 - %a.y.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 1 - %b.x.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0 - %b.y.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 1 - store i32 0, i32* %a.x.ptr - store i32 1, i32* %a.y.ptr - store i32 2, i32* %b.x.ptr - store i32 3, i32* %b.y.ptr - %a.indirect.ptr = getelementptr %struct.point, %struct.point* %a, i32 0, i32 0 - %b.indirect.ptr = getelementptr %struct.point, %struct.point* %b, i32 0, i32 0 - %a.indirect = load i32, i32* %a.indirect.ptr - %b.indirect = load i32, i32* %b.indirect.ptr - %0 = add i32 %a.indirect, %b.indirect - store i32 %0, i32 addrspace(1)* %out - ret void -} - -; Test direct access of a private array inside a loop. The private array -; loads and stores should be lowered to copies, so there shouldn't be any -; MOVA instructions. - -; FUNC-LABEL: {{^}}direct_loop: -; R600-NOT: MOVA_INT -; SI-NOT: v_movrel - -define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { -entry: - %prv_array_const = alloca [2 x i32] - %prv_array = alloca [2 x i32] - %a = load i32, i32 addrspace(1)* %in - %b_src_ptr = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 - %b = load i32, i32 addrspace(1)* %b_src_ptr - %a_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0 - store i32 %a, i32* %a_dst_ptr - %b_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 1 - store i32 %b, i32* %b_dst_ptr - br label %for.body - -for.body: - %inc = phi i32 [0, %entry], [%count, %for.body] - %x_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array_const, i32 0, i32 0 - %x = load i32, i32* %x_ptr - %y_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0 - %y = load i32, i32* %y_ptr - %xy = add i32 %x, %y - store i32 %xy, i32* %y_ptr - %count = add i32 %inc, 1 - %done = icmp eq i32 %count, 4095 - br i1 %done, label %for.end, label %for.body - -for.end: - %value_ptr = getelementptr inbounds [2 x i32], [2 x i32]* %prv_array, i32 0, i32 0 - %value = load i32, i32* %value_ptr - store i32 %value, i32 addrspace(1)* %out - ret void -} - -; FUNC-LABEL: {{^}}short_array: - -; R600: MOVA_INT - -; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x68,0xe0 -; SI-PROMOTE-DAG: buffer_store_short v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:2 ; encoding: [0x02,0x10,0x68,0xe0 -; SI-PROMOTE: buffer_load_sshort v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} -define void @short_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %0 = alloca [2 x i16] - %1 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 0 - %2 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 1 - store i16 0, i16* %1 - store i16 1, i16* %2 - %3 = getelementptr inbounds [2 x i16], [2 x i16]* %0, i32 0, i32 %index - %4 = load i16, i16* %3 - %5 = sext i16 %4 to i32 - store i32 %5, i32 addrspace(1)* %out - ret void -} - -; FUNC-LABEL: {{^}}char_array: - -; R600: MOVA_INT - -; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ; encoding: [0x00,0x10,0x60,0xe0 -; SI-DAG: buffer_store_byte v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:1 ; encoding: [0x01,0x10,0x60,0xe0 -define void @char_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %0 = alloca [2 x i8] - %1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0 - %2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1 - store i8 0, i8* %1 - store i8 1, i8* %2 - %3 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 %index - %4 = load i8, i8* %3 - %5 = sext i8 %4 to i32 - store i32 %5, i32 addrspace(1)* %out - ret void - -} - -; Make sure we don't overwrite workitem information with private memory - -; FUNC-LABEL: {{^}}work_item_info: -; R600-NOT: MOV T0.X -; Additional check in case the move ends up in the last slot -; R600-NOT: MOV * TO.X - -; SI-NOT: v_mov_b32_e{{(32|64)}} v0 -define void @work_item_info(i32 addrspace(1)* %out, i32 %in) { -entry: - %0 = alloca [2 x i32] - %1 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 0 - %2 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 1 - store i32 0, i32* %1 - store i32 1, i32* %2 - %3 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 %in - %4 = load i32, i32* %3 - %5 = call i32 @llvm.amdgcn.workitem.id.x() - %6 = add i32 %4, %5 - store i32 %6, i32 addrspace(1)* %out - ret void -} - -; Test that two stack objects are not stored in the same register -; The second stack object should be in T3.X -; FUNC-LABEL: {{^}}no_overlap: -; R600_CHECK: MOV -; R600_CHECK: [[CHAN:[XYZW]]]+ -; R600-NOT: [[CHAN]]+ -; SI: v_mov_b32_e32 v3 -define void @no_overlap(i32 addrspace(1)* %out, i32 %in) { -entry: - %0 = alloca [3 x i8], align 1 - %1 = alloca [2 x i8], align 1 - %2 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 0 - %3 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 1 - %4 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 2 - %5 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 0 - %6 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 1 - store i8 0, i8* %2 - store i8 1, i8* %3 - store i8 2, i8* %4 - store i8 1, i8* %5 - store i8 0, i8* %6 - %7 = getelementptr [3 x i8], [3 x i8]* %0, i32 0, i32 %in - %8 = getelementptr [2 x i8], [2 x i8]* %1, i32 0, i32 %in - %9 = load i8, i8* %7 - %10 = load i8, i8* %8 - %11 = add i8 %9, %10 - %12 = sext i8 %11 to i32 - store i32 %12, i32 addrspace(1)* %out - ret void -} - -define void @char_array_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %alloca = alloca [2 x [2 x i8]] - %gep0 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 0 - %gep1 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 1 - store i8 0, i8* %gep0 - store i8 1, i8* %gep1 - %gep2 = getelementptr [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 %index - %load = load i8, i8* %gep2 - %sext = sext i8 %load to i32 - store i32 %sext, i32 addrspace(1)* %out - ret void -} - -define void @i32_array_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %alloca = alloca [2 x [2 x i32]] - %gep0 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 0 - %gep1 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 1 - store i32 0, i32* %gep0 - store i32 1, i32* %gep1 - %gep2 = getelementptr [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 %index - %load = load i32, i32* %gep2 - store i32 %load, i32 addrspace(1)* %out - ret void -} - -define void @i64_array_array(i64 addrspace(1)* %out, i32 %index) { -entry: - %alloca = alloca [2 x [2 x i64]] - %gep0 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 0 - %gep1 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 1 - store i64 0, i64* %gep0 - store i64 1, i64* %gep1 - %gep2 = getelementptr [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 %index - %load = load i64, i64* %gep2 - store i64 %load, i64 addrspace(1)* %out - ret void -} - -%struct.pair32 = type { i32, i32 } - -define void @struct_array_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %alloca = alloca [2 x [2 x %struct.pair32]] - %gep0 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 0, i32 1 - %gep1 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 1, i32 1 - store i32 0, i32* %gep0 - store i32 1, i32* %gep1 - %gep2 = getelementptr [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 %index, i32 0 - %load = load i32, i32* %gep2 - store i32 %load, i32 addrspace(1)* %out - ret void -} - -define void @struct_pair32_array(i32 addrspace(1)* %out, i32 %index) { -entry: - %alloca = alloca [2 x %struct.pair32] - %gep0 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 0, i32 1 - %gep1 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 1, i32 0 - store i32 0, i32* %gep0 - store i32 1, i32* %gep1 - %gep2 = getelementptr [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 %index, i32 0 - %load = load i32, i32* %gep2 - store i32 %load, i32 addrspace(1)* %out - ret void -} - -define void @select_private(i32 addrspace(1)* %out, i32 %in) nounwind { -entry: - %tmp = alloca [2 x i32] - %tmp1 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 0 - %tmp2 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 1 - store i32 0, i32* %tmp1 - store i32 1, i32* %tmp2 - %cmp = icmp eq i32 %in, 0 - %sel = select i1 %cmp, i32* %tmp1, i32* %tmp2 - %load = load i32, i32* %sel - store i32 %load, i32 addrspace(1)* %out - ret void -} - -; AMDGPUPromoteAlloca does not know how to handle ptrtoint. When it -; finds one, it should stop trying to promote. - -; FUNC-LABEL: ptrtoint: -; SI-NOT: ds_write -; SI: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen -; SI: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen offset:5 ; -define void @ptrtoint(i32 addrspace(1)* %out, i32 %a, i32 %b) { - %alloca = alloca [16 x i32] - %tmp0 = getelementptr [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a - store i32 5, i32* %tmp0 - %tmp1 = ptrtoint [16 x i32]* %alloca to i32 - %tmp2 = add i32 %tmp1, 5 - %tmp3 = inttoptr i32 %tmp2 to i32* - %tmp4 = getelementptr i32, i32* %tmp3, i32 %b - %tmp5 = load i32, i32* %tmp4 - store i32 %tmp5, i32 addrspace(1)* %out - ret void -} - -; HSAOPT: !0 = !{} -; HSAOPT: !1 = !{i32 0, i32 2048} - -; NOHSAOPT: !0 = !{i32 0, i32 2048} Index: test/CodeGen/AMDGPU/r600.private-memory.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/r600.private-memory.ll @@ -0,0 +1,26 @@ +; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck %s -check-prefix=EG -check-prefix=FUNC + +declare i32 @llvm.r600.read.tidig.x() nounwind readnone + + +; Make sure we don't overwrite workitem information with private memory + +; FUNC-LABEL: {{^}}work_item_info: +; R600-NOT: MOV T0.X +; Additional check in case the move ends up in the last slot +; R600-NOT: MOV * TO.X + +define void @work_item_info(i32 addrspace(1)* %out, i32 %in) { +entry: + %0 = alloca [2 x i32] + %1 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 0 + %2 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 1 + store i32 0, i32* %1 + store i32 1, i32* %2 + %3 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 %in + %4 = load i32, i32* %3 + %5 = call i32 @llvm.r600.read.tidig.x() + %6 = add i32 %4, %5 + store i32 %6, i32 addrspace(1)* %out + ret void +}