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[TableGen] Add IntrNoMerge as intrinsic property

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There is a function attribute 'nomerge' in addition to 'noduplicate'
and 'convergent'. Both 'noduplicate' and 'convergent' have corresponding
intrinsic properties. This patch adds an intrinsic property for the
'nomerge' attribute.

Differential Revision: https://reviews.llvm.org/D96364
This commit is contained in:
Krzysztof Parzyszek 2021-03-02 06:16:26 -08:00
parent 97dc903cfa
commit 1e0e652e78
5 changed files with 42 additions and 2 deletions
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6
include/llvm/IR/Intrinsics.td
View File

@ -134,10 +134,14 @@ def IntrWillReturn : IntrinsicProperty<1>;
// Parallels the cold attribute on LLVM IR functions.
def IntrCold : IntrinsicProperty;
// IntrNoduplicate - Calls to this intrinsic cannot be duplicated.
// IntrNoDuplicate - Calls to this intrinsic cannot be duplicated.
// Parallels the noduplicate attribute on LLVM IR functions.
def IntrNoDuplicate : IntrinsicProperty;
// IntrNoMerge - Calls to this intrinsic cannot be merged
// Parallels the nomerge attribute on LLVM IR functions.
def IntrNoMerge : IntrinsicProperty;
// IntrConvergent - Calls to this intrinsic are convergent and may not be made
// control-dependent on any additional values.
// Parallels the convergent attribute on LLVM IR functions.

24
test/TableGen/intrin-properties.td Normal file
View File

@ -0,0 +1,24 @@
// RUN: sed -e 's/<PROP>/ArgMemOnly/;s/<ATTR>/ArgMemOnly/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/Cold/;s/<ATTR>/Cold/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/Convergent/;s/<ATTR>/Convergent/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/InaccessibleMemOnly/;s/<ATTR>/InaccessibleMemOnly/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/InaccessibleMemOrArgMemOnly/;s/<ATTR>/InaccessibleMemOrArgMemOnly/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoDuplicate/;s/<ATTR>/NoDuplicate/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoFree/;s/<ATTR>/NoFree/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoMem/;s/<ATTR>/ReadNone/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoMerge/;s/<ATTR>/NoMerge/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoReturn/;s/<ATTR>/NoReturn/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/NoSync/;s/<ATTR>/NoSync/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/ReadMem/;s/<ATTR>/ReadOnly/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/Speculatable/;s/<ATTR>/Speculatable/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/WillReturn/;s/<ATTR>/WillReturn/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
// RUN: sed -e 's/<PROP>/WriteMem/;s/<ATTR>/WriteOnly/' < %s > %t; llvm-tblgen -gen-intrinsic-impl -I %p/../../include %t | FileCheck %t
include "llvm/IR/Intrinsics.td"
// CHECK: [[I:[0-9]+]], // llvm.tgtest.Intr<PROP>
// CHECK: case [[I]]:
// CHECK-NEXT: Atts[] = {{.*}}Attribute::<ATTR>
def int_tgtest_Intr<PROP>:
Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [Intr<PROP>]>;

3
utils/TableGen/CodeGenIntrinsics.h
View File

@ -120,6 +120,9 @@ struct CodeGenIntrinsic {
/// True if the intrinsic is marked as noduplicate.
bool isNoDuplicate;
/// True if the intrinsic is marked as nomerge.
bool isNoMerge;
/// True if the intrinsic is no-return.
bool isNoReturn;

3
utils/TableGen/CodeGenTarget.cpp
View File

@ -656,6 +656,7 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R,
isWillReturn = false;
isCold = false;
isNoDuplicate = false;
isNoMerge = false;
isConvergent = false;
isSpeculatable = false;
hasSideEffects = false;
@ -845,6 +846,8 @@ void CodeGenIntrinsic::setProperty(Record *R) {
canThrow = true;
else if (R->getName() == "IntrNoDuplicate")
isNoDuplicate = true;
else if (R->getName() == "IntrNoMerge")
isNoMerge = true;
else if (R->getName() == "IntrConvergent")
isConvergent = true;
else if (R->getName() == "IntrNoReturn")

8
utils/TableGen/IntrinsicEmitter.cpp
View File

@ -584,6 +584,9 @@ struct AttributeComparator {
if (L->isNoDuplicate != R->isNoDuplicate)
return R->isNoDuplicate;
if (L->isNoMerge != R->isNoMerge)
return R->isNoMerge;
if (L->isNoReturn != R->isNoReturn)
return R->isNoReturn;
@ -739,7 +742,8 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
!intrinsic.hasSideEffects) ||
intrinsic.isNoReturn || intrinsic.isNoSync || intrinsic.isNoFree ||
intrinsic.isWillReturn || intrinsic.isCold || intrinsic.isNoDuplicate ||
intrinsic.isConvergent || intrinsic.isSpeculatable) {
intrinsic.isNoMerge || intrinsic.isConvergent ||
intrinsic.isSpeculatable) {
OS << " const Attribute::AttrKind Atts[] = {";
ListSeparator LS(",");
if (!intrinsic.canThrow)
@ -756,6 +760,8 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
OS << LS << "Attribute::Cold";
if (intrinsic.isNoDuplicate)
OS << LS << "Attribute::NoDuplicate";
if (intrinsic.isNoMerge)
OS << LS << "Attribute::NoMerge";
if (intrinsic.isConvergent)
OS << LS << "Attribute::Convergent";
if (intrinsic.isSpeculatable)