llvm/test/CodeGen/NVPTX/lower-ctor-dtor.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --include-generated-funcs --version 3
; RUN: opt -S -mtriple=nvptx64-- -nvptx-lower-ctor-dtor < %s | FileCheck %s
; RUN: opt -S -mtriple=nvptx64-- -passes=nvptx-lower-ctor-dtor < %s | FileCheck %s
; RUN: opt -S -mtriple=nvptx64-- -passes=nvptx-lower-ctor-dtor \
; RUN:     -nvptx-lower-global-ctor-dtor-id=unique_id < %s | FileCheck %s --check-prefix=GLOBAL
; RUN: opt -S -mtriple=nvptx64-- -passes=nvptx-lower-ctor-dtor \
; RUN:     -nvptx-emit-init-fini-kernel=false < %s | FileCheck %s --check-prefix=KERNEL

; Make sure we get the same result if we run multiple times
; RUN: opt -S -mtriple=nvptx64-- -passes=nvptx-lower-ctor-dtor,nvptx-lower-ctor-dtor < %s | FileCheck %s
; RUN: llc -nvptx-lower-global-ctor-dtor -mtriple=nvptx64-amd-amdhsa -mcpu=sm_70 -filetype=asm -o - < %s | FileCheck %s -check-prefix=VISIBILITY

@llvm.global_ctors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @foo, ptr null }]
@llvm.global_dtors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @bar, ptr null }]


; CHECK-NOT: @llvm.global_ctors
; CHECK-NOT: @llvm.global_dtors

; CHECK: @__init_array_object_foo_[[HASH:[0-9a-f]+]]_1 = protected addrspace(4) constant ptr @foo, section ".init_array.1"
; CHECK: @__fini_array_object_bar_[[HASH:[0-9a-f]+]]_1 = protected addrspace(4) constant ptr @bar, section ".fini_array.1"
; CHECK: @llvm.used = appending global [2 x ptr] [ptr addrspacecast (ptr addrspace(4) @__init_array_object_foo_[[HASH]]_1 to ptr), ptr addrspacecast (ptr addrspace(4) @__fini_array_object_bar_[[HASH]]_1 to ptr)], section "llvm.metadata"
; CHECK: @__fini_array_start = weak protected addrspace(1) global ptr null
; CHECK: @__fini_array_end = weak protected addrspace(1) global ptr null

; GLOBAL: @__init_array_object_foo_unique_id_1 = protected addrspace(4) constant ptr @foo, section ".init_array.1"
; GLOBAL: @__fini_array_object_bar_unique_id_1 = protected addrspace(4) constant ptr @bar, section ".fini_array.1"
; GLOBAL: @llvm.used = appending global [2 x ptr] [ptr addrspacecast (ptr addrspace(4) @__init_array_object_foo_unique_id_1 to ptr), ptr addrspacecast (ptr addrspace(4) @__fini_array_object_bar_unique_id_1 to ptr)], section "llvm.metadata"
; GLOBAL: @__fini_array_start = weak protected addrspace(1) global ptr null
; GLOBAL: @__fini_array_end = weak protected addrspace(1) global ptr null

; KERNEL: @__init_array_object_foo_[[HASH:[0-9a-f]+]]_1 = protected addrspace(4) constant ptr @foo, section ".init_array.1"
; KERNEL: @__fini_array_object_bar_[[HASH:[0-9a-f]+]]_1 = protected addrspace(4) constant ptr @bar, section ".fini_array.1"

; VISIBILITY: .visible .const .align 8 .u64 __init_array_object_foo_[[HASH:[0-9a-f]+]]_1 = foo;
; VISIBILITY: .visible .const .align 8 .u64 __fini_array_object_bar_[[HASH:[0-9a-f]+]]_1 = bar;

define internal void @foo() {
  ret void
}

define internal void @bar() {
  ret void
}

; CHECK-LABEL: define weak_odr void @"nvptx$device$init"() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[BEGIN:%.*]] = load ptr addrspace(1), ptr addrspace(1) @__init_array_start, align 8
; CHECK-NEXT:    [[STOP:%.*]] = load ptr addrspace(1), ptr addrspace(1) @__init_array_end, align 8
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ne ptr addrspace(1) [[BEGIN]], [[STOP]]
; CHECK-NEXT:    br i1 [[TMP0]], label [[WHILE_ENTRY:%.*]], label [[WHILE_END:%.*]]
; CHECK:       while.entry:
; CHECK-NEXT:    [[PTR:%.*]] = phi ptr addrspace(1) [ [[BEGIN]], [[ENTRY:%.*]] ], [ [[NEXT:%.*]], [[WHILE_ENTRY]] ]
; CHECK-NEXT:    [[CALLBACK:%.*]] = load ptr, ptr addrspace(1) [[PTR]], align 8
; CHECK-NEXT:    call void [[CALLBACK]]()
; CHECK-NEXT:    [[NEXT]] = getelementptr ptr addrspace(1), ptr addrspace(1) [[PTR]], i64 1
; CHECK-NEXT:    [[END:%.*]] = icmp eq ptr addrspace(1) [[NEXT]], [[STOP]]
; CHECK-NEXT:    br i1 [[END]], label [[WHILE_END]], label [[WHILE_ENTRY]]
; CHECK:       while.end:
; CHECK-NEXT:    ret void
;
;
; CHECK-LABEL: define weak_odr void @"nvptx$device$fini"() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[BEGIN:%.*]] = load ptr addrspace(1), ptr addrspace(1) @__fini_array_start, align 8
; CHECK-NEXT:    [[STOP:%.*]] = load ptr addrspace(1), ptr addrspace(1) @__fini_array_end, align 8
; CHECK-NEXT:    [[TMP0:%.*]] = ptrtoint ptr addrspace(1) [[BEGIN]] to i64
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint ptr addrspace(1) [[STOP]] to i64
; CHECK-NEXT:    [[TMP2:%.*]] = sub i64 [[TMP1]], [[TMP0]]
; CHECK-NEXT:    [[OFFSET:%.*]] = ashr exact i64 [[TMP2]], 3
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr ptr, ptr addrspace(1) [[BEGIN]], i64 [[OFFSET]]
; CHECK-NEXT:    [[START:%.*]] = getelementptr inbounds ptr, ptr addrspace(1) [[TMP3]], i64 -1
; CHECK-NEXT:    [[TMP4:%.*]] = icmp ugt ptr addrspace(1) [[START]], [[BEGIN]]
; CHECK-NEXT:    br i1 [[TMP4]], label [[WHILE_ENTRY:%.*]], label [[WHILE_END:%.*]]
; CHECK:       while.entry:
; CHECK-NEXT:    [[PTR:%.*]] = phi ptr addrspace(1) [ [[START]], [[ENTRY:%.*]] ], [ [[NEXT:%.*]], [[WHILE_ENTRY]] ]
; CHECK-NEXT:    [[CALLBACK:%.*]] = load ptr, ptr addrspace(1) [[PTR]], align 8
; CHECK-NEXT:    call void [[CALLBACK]]()
; CHECK-NEXT:    [[NEXT]] = getelementptr ptr addrspace(1), ptr addrspace(1) [[PTR]], i64 -1
; CHECK-NEXT:    [[END:%.*]] = icmp ult ptr addrspace(1) [[NEXT]], [[BEGIN]]
; CHECK-NEXT:    br i1 [[END]], label [[WHILE_END]], label [[WHILE_ENTRY]]
; CHECK:       while.end:
; CHECK-NEXT:    ret void

; CHECK: [[META0:![0-9]+]] = !{ptr @"nvptx$device$init", !"kernel", i32 1}
; CHECK: [[META1:![0-9]+]] = !{ptr @"nvptx$device$init", !"maxntidx", i32 1}
; CHECK: [[META2:![0-9]+]] = !{ptr @"nvptx$device$init", !"maxntidy", i32 1}
; CHECK: [[META3:![0-9]+]] = !{ptr @"nvptx$device$init", !"maxntidz", i32 1}
; CHECK: [[META4:![0-9]+]] = !{ptr @"nvptx$device$init", !"maxclusterrank", i32 1}
; CHECK: [[META5:![0-9]+]] = !{ptr @"nvptx$device$fini", !"kernel", i32 1}
; CHECK: [[META6:![0-9]+]] = !{ptr @"nvptx$device$fini", !"maxntidx", i32 1}
; CHECK: [[META7:![0-9]+]] = !{ptr @"nvptx$device$fini", !"maxntidy", i32 1}
; CHECK: [[META8:![0-9]+]] = !{ptr @"nvptx$device$fini", !"maxntidz", i32 1}
; CHECK: [[META9:![0-9]+]] = !{ptr @"nvptx$device$fini", !"maxclusterrank", i32 1}