xref: /llvm-project/llvm/test/Transforms/OpenMP/values_in_offload_arrays.alloca.ll (revision 32f9983c064557883223b585810eac3c6797d500)

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=openmp-opt-cgscc -aa-pipeline=basic-aa -openmp-hide-memory-transfer-latency < %s | FileCheck %s

target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9"

@.__omp_offloading_heavyComputation.region_id = weak constant i8 0
@.offload_maptypes. = private unnamed_addr constant [2 x i64] [i64 35, i64 35]

%struct.ident_t = type { i32, i32, i32, i32, ptr }

@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, ptr @.str }, align 8

;int heavyComputation(ptr a, unsigned size) {
;  int random = rand() % 7;
;
;  //#pragma omp target data map(a[0:size], size)
;  ptr args[2];
;  args[0] = &a;
;  args[1] = &size;
;  __tgt_target_data_begin(..., args, ...)
;
;  #pragma omp target teams
;  for (int i = 0; i < size; ++i) {
;    a[i] = ++aptr 3.141624;
;  }
;
;  return random;
;}
define dso_local i32 @heavyComputation(ptr %a, i32 %size) {
; CHECK-LABEL: @heavyComputation(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[SIZE_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
; CHECK-NEXT:    [[DOTOFFLOAD_BASEPTRS:%.*]] = alloca [2 x ptr], align 8, addrspace(5)
; CHECK-NEXT:    [[DOTOFFLOAD_PTRS:%.*]] = alloca [2 x ptr], align 8, addrspace(5)
; CHECK-NEXT:    [[DOTOFFLOAD_SIZES:%.*]] = alloca [2 x i64], align 8, addrspace(5)
; CHECK-NEXT:    [[HANDLE:%.*]] = alloca [[STRUCT___TGT_ASYNC_INFO:%.*]], align 8, addrspace(5)
; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(5) [[HANDLE]] to ptr
; CHECK-NEXT:    store i32 [[SIZE:%.*]], ptr addrspace(5) [[SIZE_ADDR]], align 4
; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 (...) @rand()
; CHECK-NEXT:    [[CONV:%.*]] = zext i32 [[SIZE]] to i64
; CHECK-NEXT:    [[SHL:%.*]] = shl nuw nsw i64 [[CONV]], 3
; CHECK-NEXT:    store ptr [[A:%.*]], ptr addrspace(5) [[DOTOFFLOAD_BASEPTRS]], align 8
; CHECK-NEXT:    store ptr [[A]], ptr addrspace(5) [[DOTOFFLOAD_PTRS]], align 8
; CHECK-NEXT:    store i64 [[SHL]], ptr addrspace(5) [[DOTOFFLOAD_SIZES]], align 8
; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds [2 x ptr], ptr addrspace(5) [[DOTOFFLOAD_BASEPTRS]], i64 0, i64 1
; CHECK-NEXT:    store ptr addrspace(5) [[SIZE_ADDR]], ptr addrspace(5) [[GEP0]], align 8
; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds [2 x ptr], ptr addrspace(5) [[DOTOFFLOAD_PTRS]], i64 0, i64 1
; CHECK-NEXT:    store ptr addrspace(5) [[SIZE_ADDR]], ptr addrspace(5) [[GEP1]], align 8
; CHECK-NEXT:    [[GEP2:%.*]] = getelementptr inbounds [2 x i64], ptr addrspace(5) [[DOTOFFLOAD_SIZES]], i64 0, i64 1
; CHECK-NEXT:    store i64 4, ptr addrspace(5) [[GEP2]], align 8
; CHECK-NEXT:    [[DOTOFFLOAD_BASEPTRS_FLAT:%.*]] = addrspacecast ptr addrspace(5) [[DOTOFFLOAD_BASEPTRS]] to ptr
; CHECK-NEXT:    [[DOTOFFLOAD_PTRS_FLAT:%.*]] = addrspacecast ptr addrspace(5) [[DOTOFFLOAD_PTRS]] to ptr
; CHECK-NEXT:    [[DOTOFFLOAD_SIZES_FLAT:%.*]] = addrspacecast ptr addrspace(5) [[DOTOFFLOAD_SIZES]] to ptr
; CHECK-NEXT:    call void @__tgt_target_data_begin_mapper_issue(ptr @[[GLOB0:[0-9]+]], i64 -1, i32 2, ptr [[DOTOFFLOAD_BASEPTRS_FLAT]], ptr [[DOTOFFLOAD_PTRS_FLAT]], ptr [[DOTOFFLOAD_SIZES_FLAT]], ptr @.offload_maptypes., ptr null, ptr null, ptr [[TMP0]])
; CHECK-NEXT:    [[REM:%.*]] = srem i32 [[CALL]], 7
; CHECK-NEXT:    call void @__tgt_target_data_begin_mapper_wait(i64 -1, ptr [[TMP0]])
; CHECK-NEXT:    call void @__tgt_target_data_end_mapper(ptr @[[GLOB0]], i64 -1, i32 2, ptr nonnull [[DOTOFFLOAD_BASEPTRS_FLAT]], ptr nonnull [[DOTOFFLOAD_PTRS_FLAT]], ptr nonnull [[DOTOFFLOAD_SIZES_FLAT]], ptr @.offload_maptypes., ptr null, ptr null)
; CHECK-NEXT:    ret i32 [[REM]]
;
entry:
  %size.addr = alloca i32, align 4, addrspace(5)
  %.offload_baseptrs = alloca [2 x ptr], align 8, addrspace(5)
  %.offload_ptrs = alloca [2 x ptr], align 8, addrspace(5)
  %.offload_sizes = alloca [2 x i64], align 8, addrspace(5)
  store i32 %size, ptr addrspace(5) %size.addr, align 4
  %call = tail call i32 (...) @rand()
  %conv = zext i32 %size to i64
  %shl = shl nuw nsw i64 %conv, 3
  store ptr %a, ptr addrspace(5) %.offload_baseptrs, align 8
  store ptr %a, ptr addrspace(5) %.offload_ptrs, align 8
  store i64 %shl, ptr addrspace(5) %.offload_sizes, align 8
  %gep0 = getelementptr inbounds [2 x ptr], ptr addrspace(5) %.offload_baseptrs, i64 0, i64 1
  store ptr addrspace(5) %size.addr, ptr addrspace(5) %gep0, align 8
  %gep1 = getelementptr inbounds [2 x ptr], ptr addrspace(5) %.offload_ptrs, i64 0, i64 1
  store ptr addrspace(5) %size.addr, ptr addrspace(5) %gep1, align 8
  %gep2 = getelementptr inbounds [2 x i64], ptr addrspace(5) %.offload_sizes, i64 0, i64 1
  store i64 4, ptr addrspace(5) %gep2, align 8
  %.offload_baseptrs.flat = addrspacecast ptr addrspace(5) %.offload_baseptrs to ptr
  %.offload_ptrs.flat = addrspacecast ptr addrspace(5) %.offload_ptrs to ptr
  %.offload_sizes.flat = addrspacecast ptr addrspace(5) %.offload_sizes to ptr
  call void @__tgt_target_data_begin_mapper(ptr @0, i64 -1, i32 2, ptr nonnull %.offload_baseptrs.flat, ptr nonnull %.offload_ptrs.flat, ptr nonnull %.offload_sizes.flat, ptr @.offload_maptypes., ptr null, ptr null)
  %rem = srem i32 %call, 7
  call void @__tgt_target_data_end_mapper(ptr @0, i64 -1, i32 2, ptr nonnull %.offload_baseptrs.flat, ptr nonnull %.offload_ptrs.flat, ptr nonnull %.offload_sizes.flat, ptr @.offload_maptypes., ptr null, ptr null)
  ret i32 %rem
}

declare void @__tgt_target_data_begin_mapper(ptr, i64, i32, ptr, ptr, ptr, ptr, ptr, ptr)
declare void @__tgt_target_data_end_mapper(ptr, i64, i32, ptr, ptr, ptr, ptr, ptr, ptr)

declare dso_local i32 @rand(...)

!llvm.module.flags = !{!0}

!0 = !{i32 7, !"openmp", i32 50}