| ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck %s -check-prefix=R600 -check-prefix=FUNC |
| ; RUN: opt -S -mtriple=r600-unknown-unknown -mcpu=redwood -amdgpu-promote-alloca < %s | FileCheck -check-prefix=OPT %s |
| |
| declare i32 @llvm.r600.read.tidig.x() nounwind readnone |
| |
| ; FUNC-LABEL: {{^}}mova_same_clause: |
| |
| ; R600: LDS_WRITE |
| ; R600: LDS_WRITE |
| ; R600: LDS_READ |
| ; R600: LDS_READ |
| |
| ; OPT: call i32 @llvm.r600.read.local.size.y(), !range !0 |
| ; OPT: call i32 @llvm.r600.read.local.size.z(), !range !0 |
| ; OPT: call i32 @llvm.r600.read.tidig.x(), !range !0 |
| ; OPT: call i32 @llvm.r600.read.tidig.y(), !range !0 |
| ; OPT: call i32 @llvm.r600.read.tidig.z(), !range !0 |
| |
| define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 { |
| 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 |
| } |
| |
| ; 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: |
| ; R600-NOT: MOVA_INT |
| %struct.point = type { i32, i32 } |
| |
| define void @multiple_structs(i32 addrspace(1)* %out) #0 { |
| entry: |
| %a = alloca %struct.point |
| %b = alloca %struct.point |
| %a.x.ptr = getelementptr inbounds %struct.point, %struct.point* %a, i32 0, i32 0 |
| %a.y.ptr = getelementptr inbounds %struct.point, %struct.point* %a, i32 0, i32 1 |
| %b.x.ptr = getelementptr inbounds %struct.point, %struct.point* %b, i32 0, i32 0 |
| %b.y.ptr = getelementptr inbounds %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 inbounds %struct.point, %struct.point* %a, i32 0, i32 0 |
| %b.indirect.ptr = getelementptr inbounds %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 |
| |
| define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 { |
| 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 |
| define void @short_array(i32 addrspace(1)* %out, i32 %index) #0 { |
| 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 |
| define void @char_array(i32 addrspace(1)* %out, i32 %index) #0 { |
| 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 |
| define void @work_item_info(i32 addrspace(1)* %out, i32 %in) #0 { |
| entry: |
| %0 = alloca [2 x i32] |
| %1 = getelementptr inbounds [2 x i32], [2 x i32]* %0, i32 0, i32 0 |
| %2 = getelementptr inbounds [2 x i32], [2 x i32]* %0, i32 0, i32 1 |
| store i32 0, i32* %1 |
| store i32 1, i32* %2 |
| %3 = getelementptr inbounds [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 |
| } |
| |
| ; 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]]+ |
| define void @no_overlap(i32 addrspace(1)* %out, i32 %in) #0 { |
| entry: |
| %0 = alloca [3 x i8], align 1 |
| %1 = alloca [2 x i8], align 1 |
| %2 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i32 0, i32 0 |
| %3 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i32 0, i32 1 |
| %4 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i32 0, i32 2 |
| %5 = getelementptr inbounds [2 x i8], [2 x i8]* %1, i32 0, i32 0 |
| %6 = getelementptr inbounds [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 inbounds [3 x i8], [3 x i8]* %0, i32 0, i32 %in |
| %8 = getelementptr inbounds [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) #0 { |
| entry: |
| %alloca = alloca [2 x [2 x i8]] |
| %gep0 = getelementptr inbounds [2 x [2 x i8]], [2 x [2 x i8]]* %alloca, i32 0, i32 0, i32 0 |
| %gep1 = getelementptr inbounds [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 inbounds [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) #0 { |
| entry: |
| %alloca = alloca [2 x [2 x i32]] |
| %gep0 = getelementptr inbounds [2 x [2 x i32]], [2 x [2 x i32]]* %alloca, i32 0, i32 0, i32 0 |
| %gep1 = getelementptr inbounds [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 inbounds [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) #0 { |
| entry: |
| %alloca = alloca [2 x [2 x i64]] |
| %gep0 = getelementptr inbounds [2 x [2 x i64]], [2 x [2 x i64]]* %alloca, i32 0, i32 0, i32 0 |
| %gep1 = getelementptr inbounds [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 inbounds [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) #0 { |
| entry: |
| %alloca = alloca [2 x [2 x %struct.pair32]] |
| %gep0 = getelementptr inbounds [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]]* %alloca, i32 0, i32 0, i32 0, i32 1 |
| %gep1 = getelementptr inbounds [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 inbounds [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) #0 { |
| entry: |
| %alloca = alloca [2 x %struct.pair32] |
| %gep0 = getelementptr inbounds [2 x %struct.pair32], [2 x %struct.pair32]* %alloca, i32 0, i32 0, i32 1 |
| %gep1 = getelementptr inbounds [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 inbounds [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 inbounds [2 x i32], [2 x i32]* %tmp, i32 0, i32 0 |
| %tmp2 = getelementptr inbounds [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 ; |
| define void @ptrtoint(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 { |
| %alloca = alloca [16 x i32] |
| %tmp0 = getelementptr inbounds [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 inbounds i32, i32* %tmp3, i32 %b |
| %tmp5 = load i32, i32* %tmp4 |
| store i32 %tmp5, i32 addrspace(1)* %out |
| ret void |
| } |
| |
| ; OPT: !0 = !{i32 0, i32 2048} |
| |
| attributes #0 = { nounwind "amdgpu-waves-per-eu"="1,2" } |