304f1d59ca
This switches everything to use the memory attribute proposed in https://discourse.llvm.org/t/rfc-unify-memory-effect-attributes/65579. The old argmemonly, inaccessiblememonly and inaccessiblemem_or_argmemonly attributes are dropped. The readnone, readonly and writeonly attributes are restricted to parameters only. The old attributes are auto-upgraded both in bitcode and IR. The bitcode upgrade is a policy requirement that has to be retained indefinitely. The IR upgrade is mainly there so it's not necessary to update all tests using memory attributes in this patch, which is already large enough. We could drop that part after migrating tests, or retain it longer term, to make it easier to import IR from older LLVM versions. High-level Function/CallBase APIs like doesNotAccessMemory() or setDoesNotAccessMemory() are mapped transparently to the memory attribute. Code that directly manipulates attributes (e.g. via AttributeList) on the other hand needs to switch to working with the memory attribute instead. Differential Revision: https://reviews.llvm.org/D135780
297 lines
13 KiB
LLVM
297 lines
13 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
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; RUN: opt -S -passes=openmp-opt < %s | FileCheck %s
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; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -pass-remarks-missed=openmp-opt -disable-output < %s 2>&1 | FileCheck %s -check-prefix=CHECK-REMARKS
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; RUN: opt -openmp-opt-disable-deglobalization -S -passes=openmp-opt < %s | FileCheck %s --check-prefix=CHECK-DISABLED
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target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64"
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; UTC_ARGS: --disable
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; CHECK-REMARKS: remark: remove_globalization.c:4:2: Could not move globalized variable to the stack. Variable is potentially captured in call. Mark parameter as `__attribute__((noescape))` to override.
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; CHECK-REMARKS: remark: remove_globalization.c:2:2: Moving globalized variable to the stack.
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; CHECK-REMARKS: remark: remove_globalization.c:6:2: Moving globalized variable to the stack.
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; CHECK-REMARKS: remark: remove_globalization.c:4:2: Found thread data sharing on the GPU. Expect degraded performance due to data globalization.
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; UTC_ARGS: --enable
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@S = external local_unnamed_addr global i8*
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%struct.ident_t = type { i32, i32, i32, i32, i8* }
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; Make it a weak definition so we will apply custom state machine rewriting but can't use the body in the reasoning.
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define weak i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1) {
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ret i32 0
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}
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declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1)
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;.
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; CHECK: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
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;.
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; CHECK-DISABLED: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
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;.
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define void @kernel() {
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; CHECK-LABEL: define {{[^@]+}}@kernel() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 false, i1 true)
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; CHECK-NEXT: call void @foo() #[[ATTR0:[0-9]+]]
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; CHECK-NEXT: call void @bar() #[[ATTR0]]
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; CHECK-NEXT: call void @convert_and_move_alloca() #[[ATTR0]]
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; CHECK-NEXT: call void @unknown_no_openmp()
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; CHECK-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@kernel() {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 false, i1 true)
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; CHECK-DISABLED-NEXT: call void @foo() #[[ATTR0:[0-9]+]]
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; CHECK-DISABLED-NEXT: call void @bar() #[[ATTR0]]
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; CHECK-DISABLED-NEXT: call void @convert_and_move_alloca() #[[ATTR0]]
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; CHECK-DISABLED-NEXT: call void @unknown_no_openmp()
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; CHECK-DISABLED-NEXT: call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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%0 = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 true, i1 true)
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call void @foo()
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call void @bar()
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call void @convert_and_move_alloca()
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call void @unknown_no_openmp()
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call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
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ret void
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}
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define internal void @foo() {
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOTH2S:%.*]] = alloca i8, i64 4, align 1
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@foo
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; CHECK-DISABLED-SAME: () #[[ATTR0]] {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: [[DOTH2S:%.*]] = alloca i8, i64 4, align 1
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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%0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !12
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call void @use(i8* %0)
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call void @__kmpc_free_shared(i8* %0, i64 4)
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ret void
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}
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define internal void @bar() {
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; CHECK-LABEL: define {{[^@]+}}@bar
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; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 4) #[[ATTR0]], !dbg [[DBG8:![0-9]+]]
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; CHECK-NEXT: call void @share(i8* nofree [[TMP0]]) #[[ATTR1]], !dbg [[DBG8]]
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; CHECK-NEXT: call void @__kmpc_free_shared(i8* [[TMP0]], i64 4) #[[ATTR0]]
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@bar
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; CHECK-DISABLED-SAME: () #[[ATTR1:[0-9]+]] {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 4) #[[ATTR0]], !dbg [[DBG8:![0-9]+]]
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; CHECK-DISABLED-NEXT: call void @share(i8* nofree [[TMP0]]) #[[ATTR1]], !dbg [[DBG8]]
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; CHECK-DISABLED-NEXT: call void @__kmpc_free_shared(i8* [[TMP0]], i64 4) #[[ATTR0]]
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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%0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !13
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call void @share(i8* %0), !dbg !13
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call void @__kmpc_free_shared(i8* %0, i64 4)
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ret void
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}
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define internal void @use(i8* %x) {
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; CHECK-LABEL: define {{[^@]+}}@use
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; CHECK-SAME: (i8* [[X:%.*]]) #[[ATTR2:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@use
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; CHECK-DISABLED-SAME: (i8* [[X:%.*]]) #[[ATTR2:[0-9]+]] {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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ret void
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}
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define internal void @share(i8* %x) {
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; CHECK-LABEL: define {{[^@]+}}@share
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; CHECK-SAME: (i8* nofree [[X:%.*]]) #[[ATTR3:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i8* [[X]], i8** @S, align 8
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@share
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; CHECK-DISABLED-SAME: (i8* nofree [[X:%.*]]) #[[ATTR3:[0-9]+]] {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: store i8* [[X]], i8** @S, align 8
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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store i8* %x, i8** @S
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ret void
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}
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define void @unused() {
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; CHECK-LABEL: define {{[^@]+}}@unused() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOTH2S:%.*]] = alloca i8, i64 4, align 1
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; CHECK-NEXT: call void @use(i8* undef)
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@unused() {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 4), !dbg [[DBG11:![0-9]+]]
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; CHECK-DISABLED-NEXT: call void @use(i8* [[TMP0]])
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; CHECK-DISABLED-NEXT: call void @__kmpc_free_shared(i8* [[TMP0]], i64 4)
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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%0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !14
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call void @use(i8* %0)
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call void @__kmpc_free_shared(i8* %0, i64 4)
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ret void
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}
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define internal void @convert_and_move_alloca() {
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; CHECK-LABEL: define {{[^@]+}}@convert_and_move_alloca
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; CHECK-SAME: () #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOTH2S:%.*]] = alloca i8, i64 4, align 1
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; CHECK-NEXT: [[IV_PTR:%.*]] = alloca i32, align 4
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; CHECK-NEXT: br label [[INITLOOP:%.*]]
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; CHECK: initloop:
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; CHECK-NEXT: store i32 0, i32* [[IV_PTR]], align 4
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; CHECK-NEXT: br label [[LOOPBODY:%.*]]
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; CHECK: loopbody:
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; CHECK-NEXT: [[IV:%.*]] = load i32, i32* [[IV_PTR]], align 4
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[IV]], 10
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; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT:%.*]], label [[LOOPINC:%.*]]
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; CHECK: loopinc:
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; CHECK-NEXT: [[INC:%.*]] = add i32 [[IV]], 1
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; CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]], align 4
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; CHECK-NEXT: br label [[LOOPBODY]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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; CHECK-DISABLED-LABEL: define {{[^@]+}}@convert_and_move_alloca
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; CHECK-DISABLED-SAME: () #[[ATTR1]] {
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; CHECK-DISABLED-NEXT: entry:
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; CHECK-DISABLED-NEXT: [[DOTH2S:%.*]] = alloca i8, i64 4, align 1
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; CHECK-DISABLED-NEXT: [[IV_PTR:%.*]] = alloca i32, align 4
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; CHECK-DISABLED-NEXT: br label [[INITLOOP:%.*]]
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; CHECK-DISABLED: initloop:
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; CHECK-DISABLED-NEXT: store i32 0, i32* [[IV_PTR]], align 4
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; CHECK-DISABLED-NEXT: br label [[LOOPBODY:%.*]]
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; CHECK-DISABLED: loopbody:
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; CHECK-DISABLED-NEXT: [[IV:%.*]] = load i32, i32* [[IV_PTR]], align 4
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; CHECK-DISABLED-NEXT: [[TMP0:%.*]] = icmp eq i32 [[IV]], 10
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; CHECK-DISABLED-NEXT: br i1 [[TMP0]], label [[EXIT:%.*]], label [[LOOPINC:%.*]]
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; CHECK-DISABLED: loopinc:
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; CHECK-DISABLED-NEXT: [[INC:%.*]] = add i32 [[IV]], 1
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; CHECK-DISABLED-NEXT: store i32 [[INC]], i32* [[IV_PTR]], align 4
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; CHECK-DISABLED-NEXT: br label [[LOOPBODY]]
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; CHECK-DISABLED: exit:
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; CHECK-DISABLED-NEXT: ret void
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;
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entry:
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%iv_ptr = alloca i32, align 4
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%ub_ptr = alloca i32, align 4
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store i32 10, i32* %ub_ptr
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br label %initloop
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initloop:
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store i32 0, i32* %iv_ptr
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%ub = load i32, i32* %ub_ptr
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br label %loopbody
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loopbody:
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%0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !16
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call void @use(i8* %0)
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call void @__kmpc_free_shared(i8* %0, i64 4)
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%iv = load i32, i32* %iv_ptr
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%1 = icmp eq i32 %iv, %ub
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br i1 %1, label %exit, label %loopinc
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loopinc:
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%inc = add i32 %iv, 1
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store i32 %inc, i32* %iv_ptr
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br label %loopbody
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exit:
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ret void
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}
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; CHECK: declare i8* @__kmpc_alloc_shared(i64)
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declare i8* @__kmpc_alloc_shared(i64)
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; CHECK: declare void @__kmpc_free_shared(i8* allocptr nocapture, i64)
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declare void @__kmpc_free_shared(i8*, i64)
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declare void @unknown_no_openmp() "llvm.assume"="omp_no_openmp"
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !6, !7}
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!nvvm.annotations = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
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!2 = !{}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{void ()* @kernel, !"kernel", i32 1}
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!6 = !{i32 7, !"openmp", i32 50}
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!7 = !{i32 7, !"openmp-device", i32 50}
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!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!9 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!10 = distinct !DISubprogram(name: "unused", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!11 = !DISubroutineType(types: !2)
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!12 = !DILocation(line: 2, column: 2, scope: !8)
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!13 = !DILocation(line: 4, column: 2, scope: !9)
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!14 = !DILocation(line: 6, column: 2, scope: !9)
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!15 = !DILocation(line: 8, column: 2, scope: !9)
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!16 = !DILocation(line: 10, column: 2, scope: !9)
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;.
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; CHECK: attributes #[[ATTR0]] = { nounwind }
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; CHECK: attributes #[[ATTR1]] = { nosync nounwind }
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; CHECK: attributes #[[ATTR2]] = { nounwind memory(none) }
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; CHECK: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind memory(write) }
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; CHECK: attributes #[[ATTR4:[0-9]+]] = { nosync nounwind allocsize(0) }
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; CHECK: attributes #[[ATTR5:[0-9]+]] = { "llvm.assume"="omp_no_openmp" }
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;.
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; CHECK-DISABLED: attributes #[[ATTR0]] = { nounwind }
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; CHECK-DISABLED: attributes #[[ATTR1]] = { nosync nounwind }
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; CHECK-DISABLED: attributes #[[ATTR2]] = { nounwind memory(none) }
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; CHECK-DISABLED: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind memory(write) }
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; CHECK-DISABLED: attributes #[[ATTR4:[0-9]+]] = { nosync nounwind allocsize(0) }
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; CHECK-DISABLED: attributes #[[ATTR5:[0-9]+]] = { "llvm.assume"="omp_no_openmp" }
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;.
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; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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; CHECK: [[META1:![0-9]+]] = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
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; CHECK: [[META2:![0-9]+]] = !{}
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; CHECK: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
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; CHECK: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
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; CHECK: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
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; CHECK: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
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; CHECK: [[META7:![0-9]+]] = !{void ()* @kernel, !"kernel", i32 1}
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; CHECK: [[DBG8]] = !DILocation(line: 4, column: 2, scope: !9)
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; CHECK: [[META9:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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; CHECK: [[META10:![0-9]+]] = !DISubroutineType(types: !2)
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;.
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; CHECK-DISABLED: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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; CHECK-DISABLED: [[META1:![0-9]+]] = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
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; CHECK-DISABLED: [[META2:![0-9]+]] = !{}
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; CHECK-DISABLED: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
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; CHECK-DISABLED: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
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; CHECK-DISABLED: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
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; CHECK-DISABLED: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
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; CHECK-DISABLED: [[META7:![0-9]+]] = !{void ()* @kernel, !"kernel", i32 1}
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; CHECK-DISABLED: [[DBG8]] = !DILocation(line: 4, column: 2, scope: !9)
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; CHECK-DISABLED: [[META9:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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; CHECK-DISABLED: [[META10:![0-9]+]] = !DISubroutineType(types: !2)
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; CHECK-DISABLED: [[DBG11]] = !DILocation(line: 6, column: 2, scope: !9)
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;.
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