llvm/test/CodeGen/AMDGPU/amdgpu-sw-lower-lds-multiple-blocks-return-asan.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 4
; RUN: opt < %s -passes=amdgpu-sw-lower-lds -S -mtriple=amdgcn-amd-amdhsa | FileCheck %s

; Test to check malloc and free blocks are placed correctly when multiple
; blocks and branching is present in the function with LDS accesses lowered correctly.

@lds_1 = internal addrspace(3) global i32 poison
@lds_2 = internal addrspace(3) global i32 poison

;.
; CHECK: @llvm.amdgcn.sw.lds.test_kernel = internal addrspace(3) global ptr poison, no_sanitize_address, align 4, !absolute_symbol [[META0:![0-9]+]]
; CHECK: @llvm.amdgcn.sw.lds.test_kernel.md = internal addrspace(1) global %llvm.amdgcn.sw.lds.test_kernel.md.type { %llvm.amdgcn.sw.lds.test_kernel.md.item { i32 0, i32 8, i32 32 }, %llvm.amdgcn.sw.lds.test_kernel.md.item { i32 32, i32 4, i32 32 }, %llvm.amdgcn.sw.lds.test_kernel.md.item { i32 64, i32 4, i32 32 } }, no_sanitize_address
;.
define amdgpu_kernel void @test_kernel() sanitize_address {
; CHECK-LABEL: define amdgpu_kernel void @test_kernel(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  WId:
; CHECK-NEXT:    [[TMP0:%.*]] = call i32 @llvm.amdgcn.workitem.id.x()
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.amdgcn.workitem.id.y()
; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.amdgcn.workitem.id.z()
; CHECK-NEXT:    [[TMP3:%.*]] = or i32 [[TMP0]], [[TMP1]]
; CHECK-NEXT:    [[TMP4:%.*]] = or i32 [[TMP3]], [[TMP2]]
; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[TMP4]], 0
; CHECK-NEXT:    br i1 [[TMP5]], label [[MALLOC:%.*]], label [[TMP7:%.*]]
; CHECK:       Malloc:
; CHECK-NEXT:    [[TMP15:%.*]] = load i32, ptr addrspace(1) getelementptr inbounds ([[LLVM_AMDGCN_SW_LDS_TEST_KERNEL_MD_TYPE:%.*]], ptr addrspace(1) @llvm.amdgcn.sw.lds.test_kernel.md, i32 0, i32 2, i32 0), align 4
; CHECK-NEXT:    [[TMP16:%.*]] = load i32, ptr addrspace(1) getelementptr inbounds ([[LLVM_AMDGCN_SW_LDS_TEST_KERNEL_MD_TYPE]], ptr addrspace(1) @llvm.amdgcn.sw.lds.test_kernel.md, i32 0, i32 2, i32 2), align 4
; CHECK-NEXT:    [[TMP18:%.*]] = add i32 [[TMP15]], [[TMP16]]
; CHECK-NEXT:    [[TMP17:%.*]] = zext i32 [[TMP18]] to i64
; CHECK-NEXT:    [[TMP14:%.*]] = call ptr @llvm.returnaddress(i32 0)
; CHECK-NEXT:    [[TMP19:%.*]] = ptrtoint ptr [[TMP14]] to i64
; CHECK-NEXT:    [[TMP20:%.*]] = call i64 @__asan_malloc_impl(i64 [[TMP17]], i64 [[TMP19]])
; CHECK-NEXT:    [[TMP6:%.*]] = inttoptr i64 [[TMP20]] to ptr addrspace(1)
; CHECK-NEXT:    store ptr addrspace(1) [[TMP6]], ptr addrspace(3) @llvm.amdgcn.sw.lds.test_kernel, align 8
; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[TMP6]], i64 8
; CHECK-NEXT:    [[TMP28:%.*]] = ptrtoint ptr addrspace(1) [[TMP27]] to i64
; CHECK-NEXT:    call void @__asan_poison_region(i64 [[TMP28]], i64 24)
; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[TMP6]], i64 36
; CHECK-NEXT:    [[TMP30:%.*]] = ptrtoint ptr addrspace(1) [[TMP29]] to i64
; CHECK-NEXT:    call void @__asan_poison_region(i64 [[TMP30]], i64 28)
; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[TMP6]], i64 68
; CHECK-NEXT:    [[TMP32:%.*]] = ptrtoint ptr addrspace(1) [[TMP31]] to i64
; CHECK-NEXT:    call void @__asan_poison_region(i64 [[TMP32]], i64 28)
; CHECK-NEXT:    br label [[TMP7]]
; CHECK:       20:
; CHECK-NEXT:    [[XYZCOND:%.*]] = phi i1 [ false, [[WID:%.*]] ], [ true, [[MALLOC]] ]
; CHECK-NEXT:    call void @llvm.amdgcn.s.barrier()
; CHECK-NEXT:    [[TMP21:%.*]] = load ptr addrspace(1), ptr addrspace(3) @llvm.amdgcn.sw.lds.test_kernel, align 8
; CHECK-NEXT:    [[TMP10:%.*]] = load i32, ptr addrspace(1) getelementptr inbounds ([[LLVM_AMDGCN_SW_LDS_TEST_KERNEL_MD_TYPE]], ptr addrspace(1) @llvm.amdgcn.sw.lds.test_kernel.md, i32 0, i32 1, i32 0), align 4
; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i8, ptr addrspace(3) @llvm.amdgcn.sw.lds.test_kernel, i32 [[TMP10]]
; CHECK-NEXT:    [[TMP25:%.*]] = load i32, ptr addrspace(1) getelementptr inbounds ([[LLVM_AMDGCN_SW_LDS_TEST_KERNEL_MD_TYPE]], ptr addrspace(1) @llvm.amdgcn.sw.lds.test_kernel.md, i32 0, i32 2, i32 0), align 4
; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds i8, ptr addrspace(3) @llvm.amdgcn.sw.lds.test_kernel, i32 [[TMP25]]
; CHECK-NEXT:    [[TMP12:%.*]] = addrspacecast ptr addrspace(3) [[TMP11]] to ptr addrspace(1)
; CHECK-NEXT:    [[VAL1:%.*]] = load i32, ptr addrspace(1) [[TMP12]], align 4
; CHECK-NEXT:    [[TMP13:%.*]] = addrspacecast ptr addrspace(3) [[TMP26]] to ptr addrspace(1)
; CHECK-NEXT:    [[VAL2:%.*]] = load i32, ptr addrspace(1) [[TMP13]], align 4
; CHECK-NEXT:    [[RESULT:%.*]] = add i32 [[VAL1]], [[VAL2]]
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[RESULT]], 0
; CHECK-NEXT:    br i1 [[CMP]], label [[POSITIVE:%.*]], label [[NEGATIVE:%.*]]
; CHECK:       positive:
; CHECK-NEXT:    br label [[CONDFREE:%.*]]
; CHECK:       negative:
; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i32 [[VAL1]], 0
; CHECK-NEXT:    br i1 [[CMP2]], label [[VAL1_POSITIVE:%.*]], label [[VAL1_NEGATIVE:%.*]]
; CHECK:       val1_positive:
; CHECK-NEXT:    br label [[CONDFREE]]
; CHECK:       val1_negative:
; CHECK-NEXT:    br label [[CONDFREE]]
; CHECK:       CondFree:
; CHECK-NEXT:    call void @llvm.amdgcn.s.barrier()
; CHECK-NEXT:    br i1 [[XYZCOND]], label [[FREE:%.*]], label [[END:%.*]]
; CHECK:       Free:
; CHECK-NEXT:    [[TMP22:%.*]] = call ptr @llvm.returnaddress(i32 0)
; CHECK-NEXT:    [[TMP23:%.*]] = ptrtoint ptr [[TMP22]] to i64
; CHECK-NEXT:    [[TMP24:%.*]] = ptrtoint ptr addrspace(1) [[TMP21]] to i64
; CHECK-NEXT:    call void @__asan_free_impl(i64 [[TMP24]], i64 [[TMP23]])
; CHECK-NEXT:    br label [[END]]
; CHECK:       End:
; CHECK-NEXT:    ret void
;
%val1 = load i32, ptr addrspace(1) addrspacecast (ptr addrspace(3) @lds_1 to ptr addrspace(1))
%val2 = load i32, ptr addrspace(1) addrspacecast (ptr addrspace(3) @lds_2 to ptr addrspace(1))

%result = add i32 %val1, %val2
%cmp = icmp sgt i32 %result, 0
br i1 %cmp, label %positive, label %negative

positive:
ret void

negative:
%cmp2 = icmp sgt i32 %val1, 0
br i1 %cmp2, label %val1_positive, label %val1_negative

val1_positive:
ret void

val1_negative:
ret void
}

!llvm.module.flags = !{!0}
!0 = !{i32 4, !"nosanitize_address", i32 1}

;.
; CHECK: attributes #[[ATTR0]] = { sanitize_address "amdgpu-lds-size"="8" }
; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
; CHECK: attributes #[[ATTR3:[0-9]+]] = { convergent nocallback nofree nounwind willreturn }
;.
; CHECK: [[META0]] = !{i32 0, i32 1}
;.