[clang] [lld] [llvm] Deprecate the `-fbasic-block-sections=labels` option. (PR #107494)
Rahman Lavaee via cfe-commits
cfe-commits at lists.llvm.org
Fri Sep 6 09:55:46 PDT 2024
https://github.com/rlavaee updated https://github.com/llvm/llvm-project/pull/107494
>From dd73efa8e99982c1ab015156c32bdc71f679361c Mon Sep 17 00:00:00 2001
From: Rahman Lavaee <rahmanl at google.com>
Date: Thu, 5 Sep 2024 19:14:11 +0000
Subject: [PATCH] Deprecate the `-fbasic-block-sections=labels` option.
This feature is supported via the newer option `-fbasic-block-address-map`.
Using the old option still works by delegating to the newer option, while a warning is generated to show deprecation.
---
clang/docs/UsersManual.rst | 12 +++++++-----
clang/include/clang/Basic/CodeGenOptions.h | 9 ++-------
clang/include/clang/Driver/Options.td | 4 ++--
clang/lib/CodeGen/BackendUtil.cpp | 1 -
clang/lib/Driver/ToolChains/Clang.cpp | 10 +++++++---
clang/test/Driver/fbasic-block-sections.c | 3 ++-
lld/ELF/LTO.cpp | 6 ++++--
llvm/docs/CommandGuide/llvm-objdump.rst | 2 +-
llvm/docs/Extensions.rst | 2 +-
llvm/include/llvm/CodeGen/MachineFunction.h | 5 -----
llvm/include/llvm/Target/TargetOptions.h | 3 ---
llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 11 +++++------
llvm/lib/CodeGen/BasicBlockSections.cpp | 7 -------
llvm/lib/CodeGen/CommandFlags.cpp | 2 --
llvm/lib/CodeGen/MIRParser/MIParser.cpp | 4 ----
llvm/lib/CodeGen/MIRParser/MIRParser.cpp | 4 +---
llvm/lib/CodeGen/MachineFunction.cpp | 8 +++-----
...ock.ll => basic-block-address-map-empty-block.ll} | 2 +-
....ll => basic-block-address-map-empty-function.ll} | 4 ++--
.../X86/basic-block-address-map-function-sections.ll | 1 -
...rse.mir => basic-block-address-map-mir-parse.mir} | 4 ++--
llvm/test/CodeGen/X86/basic-block-address-map.ll | 4 +---
.../X86/basic-block-sections-labels-pgo-features.ll | 10 +++++-----
.../CodeGen/X86/basic-block-sections-mir-print.ll | 10 +++++-----
24 files changed, 51 insertions(+), 77 deletions(-)
rename llvm/test/CodeGen/X86/{basic-block-sections-labels-empty-block.ll => basic-block-address-map-empty-block.ll} (83%)
rename llvm/test/CodeGen/X86/{basic-block-sections-labels-empty-function.ll => basic-block-address-map-empty-function.ll} (68%)
rename llvm/test/CodeGen/X86/{basic-block-labels-mir-parse.mir => basic-block-address-map-mir-parse.mir} (97%)
diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index f27fa4ace917ea..30a7abeea0fb58 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -2369,14 +2369,16 @@ are listed below.
$ cd $P/bar && clang -c -funique-internal-linkage-names name_conflict.c
$ cd $P && clang foo/name_conflict.o && bar/name_conflict.o
-.. option:: -fbasic-block-sections=[labels, all, list=<arg>, none]
+.. option:: -f[no]-basic-block-address-map:
+ Emits a ``SHT_LLVM_BB_ADDR_MAP`` which includes address offsets for each
+ basic block in the program, relative to the parent function address.
+
+
+.. option:: -fbasic-block-sections=[all, list=<arg>, none]
Controls how Clang emits text sections for basic blocks. With values ``all``
and ``list=<arg>``, each basic block or a subset of basic blocks can be placed
- in its own unique section. With the "labels" value, normal text sections are
- emitted, but a ``.bb_addr_map`` section is emitted which includes address
- offsets for each basic block in the program, relative to the parent function
- address.
+ in its own unique section.
With the ``list=<arg>`` option, a file containing the subset of basic blocks
that need to placed in unique sections can be specified. The format of the
diff --git a/clang/include/clang/Basic/CodeGenOptions.h b/clang/include/clang/Basic/CodeGenOptions.h
index f2a707a8ba8d76..814d4d4c99e575 100644
--- a/clang/include/clang/Basic/CodeGenOptions.h
+++ b/clang/include/clang/Basic/CodeGenOptions.h
@@ -107,18 +107,13 @@ class CodeGenOptions : public CodeGenOptionsBase {
// This field stores one of the allowed values for the option
// -fbasic-block-sections=. The allowed values with this option are:
- // {"labels", "all", "list=<file>", "none"}.
+ // {"all", "list=<file>", "none"}.
//
- // "labels": Only generate basic block symbols (labels) for all basic
- // blocks, do not generate unique sections for basic blocks.
- // Use the machine basic block id in the symbol name to
- // associate profile info from virtual address to machine
- // basic block.
// "all" : Generate basic block sections for all basic blocks.
// "list=<file>": Generate basic block sections for a subset of basic blocks.
// The functions and the machine basic block ids are specified
// in the file.
- // "none": Disable sections/labels for basic blocks.
+ // "none": Disable sections for basic blocks.
std::string BBSections;
// If set, override the default value of MCAsmInfo::BinutilsVersion. If
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 1142416e227fc8..41e916ad81ebea 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4225,8 +4225,8 @@ defm basic_block_address_map : BoolFOption<"basic-block-address-map",
def fbasic_block_sections_EQ : Joined<["-"], "fbasic-block-sections=">, Group<f_Group>,
Visibility<[ClangOption, CC1Option, CC1AsOption]>,
HelpText<"Place each function's basic blocks in unique sections (ELF Only)">,
- DocBrief<[{Generate labels for each basic block or place each basic block or a subset of basic blocks in its own section.}]>,
- Values<"all,labels,none,list=">,
+ DocBrief<[{Place each basic block or a subset of basic blocks in its own section.}]>,
+ Values<"all,none,list=">,
MarshallingInfoString<CodeGenOpts<"BBSections">, [{"none"}]>;
defm data_sections : BoolFOption<"data-sections",
CodeGenOpts<"DataSections">, DefaultFalse,
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 7fa69420298160..b369bb043537c2 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -396,7 +396,6 @@ static bool initTargetOptions(DiagnosticsEngine &Diags,
Options.BBSections =
llvm::StringSwitch<llvm::BasicBlockSection>(CodeGenOpts.BBSections)
.Case("all", llvm::BasicBlockSection::All)
- .Case("labels", llvm::BasicBlockSection::Labels)
.StartsWith("list=", llvm::BasicBlockSection::List)
.Case("none", llvm::BasicBlockSection::None)
.Default(llvm::BasicBlockSection::None);
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 3fe4ce5d893b8d..860863193417f3 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -6225,9 +6225,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
if (Arg *A = Args.getLastArg(options::OPT_fbasic_block_sections_EQ)) {
StringRef Val = A->getValue();
- if (Triple.isX86() && Triple.isOSBinFormatELF()) {
- if (Val != "all" && Val != "labels" && Val != "none" &&
- !Val.starts_with("list="))
+ if (Val == "labels") {
+ D.Diag(diag::warn_drv_deprecated_arg)
+ << A->getAsString(Args) << /*hasReplacement=*/true
+ << "-fbasic-block-address-map";
+ CmdArgs.push_back("-fbasic-block-address-map");
+ } else if (Triple.isX86() && Triple.isOSBinFormatELF()) {
+ if (Val != "all" && Val != "none" && !Val.starts_with("list="))
D.Diag(diag::err_drv_invalid_value)
<< A->getAsString(Args) << A->getValue();
else
diff --git a/clang/test/Driver/fbasic-block-sections.c b/clang/test/Driver/fbasic-block-sections.c
index e13cc81e910be3..6dfba5f404cee9 100644
--- a/clang/test/Driver/fbasic-block-sections.c
+++ b/clang/test/Driver/fbasic-block-sections.c
@@ -22,7 +22,8 @@
// CHECK-OPT-NONE: "-fbasic-block-sections=none"
// CHECK-OPT-ALL: "-fbasic-block-sections=all"
// CHECK-OPT-LIST: "-fbasic-block-sections={{[^ ]*}}fbasic-block-sections.c"
-// CHECK-OPT-LABELS: "-fbasic-block-sections=labels"
+// CHECK-OPT-LABELS: warning: argument '-fbasic-block-sections=labels' is deprecated, use '-fbasic-block-address-map' instead
+// CHECK-OPT-LABELS: "-fbasic-block-address-map"
// CHECK-TRIPLE: error: unsupported option '-fbasic-block-sections=all' for target
// CHECK-INVALID-VALUE: error: invalid value {{[^ ]*}} in '-fbasic-block-sections={{.*}}'
// CHECK-OPT-NULL-LIST: "-fbasic-block-sections=list="
diff --git a/lld/ELF/LTO.cpp b/lld/ELF/LTO.cpp
index 935d0a9eab9ee0..721866378aa986 100644
--- a/lld/ELF/LTO.cpp
+++ b/lld/ELF/LTO.cpp
@@ -64,14 +64,16 @@ static lto::Config createConfig() {
c.Options.BBAddrMap = config->ltoBBAddrMap;
// Check if basic block sections must be used.
- // Allowed values for --lto-basic-block-sections are "all", "labels",
+ // Allowed values for --lto-basic-block-sections are "all",
// "<file name specifying basic block ids>", or none. This is the equivalent
// of -fbasic-block-sections= flag in clang.
if (!config->ltoBasicBlockSections.empty()) {
if (config->ltoBasicBlockSections == "all") {
c.Options.BBSections = BasicBlockSection::All;
} else if (config->ltoBasicBlockSections == "labels") {
- c.Options.BBSections = BasicBlockSection::Labels;
+ c.Options.BBAddrMap = true;
+ warn("'--lto-basic-block-sections=labels' is deprecated. Please use "
+ "'-fbasic-block-address-map' instead.");
} else if (config->ltoBasicBlockSections == "none") {
c.Options.BBSections = BasicBlockSection::None;
} else {
diff --git a/llvm/docs/CommandGuide/llvm-objdump.rst b/llvm/docs/CommandGuide/llvm-objdump.rst
index 7f8def756c6960..ab9f583e96ec64 100644
--- a/llvm/docs/CommandGuide/llvm-objdump.rst
+++ b/llvm/docs/CommandGuide/llvm-objdump.rst
@@ -272,7 +272,7 @@ OPTIONS
When printing a PC-relative global symbol reference, print it as an offset from the leading symbol.
When a bb-address-map section is present (i.e., the object file is built with
- ``-fbasic-block-sections=labels``), labels are retrieved from that section
+ ``-fbasic-block-address-map``), labels are retrieved from that section
instead. If a pgo-analysis-map is present alongside the bb-address-map, any
available analyses are printed after the relevant block label. By default,
any analysis with a special representation (i.e. BlockFrequency,
diff --git a/llvm/docs/Extensions.rst b/llvm/docs/Extensions.rst
index 74ca8cb0aa6879..ab47e361a0dd55 100644
--- a/llvm/docs/Extensions.rst
+++ b/llvm/docs/Extensions.rst
@@ -401,7 +401,7 @@ the symbol that belongs to the partition. It may be constructed as follows:
This section stores the binary address of basic blocks along with other related
metadata. This information can be used to map binary profiles (like perf
profiles) directly to machine basic blocks.
-This section is emitted with ``-basic-block-sections=labels`` and will contain
+This section is emitted with ``-basic-block-address-map`` and will contain
a BB address map table for every function.
The ``SHT_LLVM_BB_ADDR_MAP`` type provides backward compatibility to allow
diff --git a/llvm/include/llvm/CodeGen/MachineFunction.h b/llvm/include/llvm/CodeGen/MachineFunction.h
index 9845520d6db6b2..ed083bdd8ec4cd 100644
--- a/llvm/include/llvm/CodeGen/MachineFunction.h
+++ b/llvm/include/llvm/CodeGen/MachineFunction.h
@@ -699,11 +699,6 @@ class LLVM_EXTERNAL_VISIBILITY MachineFunction {
BBSectionsType == BasicBlockSection::Preset);
}
- /// Returns true if basic block labels are to be generated for this function.
- bool hasBBLabels() const {
- return BBSectionsType == BasicBlockSection::Labels;
- }
-
void setBBSectionsType(BasicBlockSection V) { BBSectionsType = V; }
/// Assign IsBeginSection IsEndSection fields for basic blocks in this
diff --git a/llvm/include/llvm/Target/TargetOptions.h b/llvm/include/llvm/Target/TargetOptions.h
index d3464b5202ff32..210d9fed1febde 100644
--- a/llvm/include/llvm/Target/TargetOptions.h
+++ b/llvm/include/llvm/Target/TargetOptions.h
@@ -64,9 +64,6 @@ namespace llvm {
List, // Get list of functions & BBs from a file. Selectively enables
// basic block sections for a subset of basic blocks which can be
// used to control object size bloats from creating sections.
- Labels, // Do not use Basic Block Sections but label basic blocks. This
- // is useful when associating profile counts from virtual addresses
- // to basic blocks.
Preset, // Similar to list but the blocks are identified by passes which
// seek to use Basic Block Sections, e.g. MachineFunctionSplitter.
// This option cannot be set via the command line.
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 88e9b9d27d3f27..6d362e641c6b25 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1425,7 +1425,7 @@ void AsmPrinter::emitBBAddrMapSection(const MachineFunction &MF) {
OutStreamer->AddComment("BB id");
// Emit the BB ID for this basic block.
// We only emit BaseID since CloneID is unset for
- // basic-block-sections=labels.
+ // -basic-block-adress-map.
// TODO: Emit the full BBID when labels and sections can be mixed
// together.
OutStreamer->emitULEB128IntValue(MBB.getBBID()->BaseID);
@@ -1859,7 +1859,7 @@ void AsmPrinter::emitFunctionBody() {
// We must emit temporary symbol for the end of this basic block, if either
// we have BBLabels enabled or if this basic blocks marks the end of a
// section.
- if (MF->hasBBLabels() || MF->getTarget().Options.BBAddrMap ||
+ if (MF->getTarget().Options.BBAddrMap ||
(MAI->hasDotTypeDotSizeDirective() && MBB.isEndSection()))
OutStreamer->emitLabel(MBB.getEndSymbol());
@@ -2011,7 +2011,7 @@ void AsmPrinter::emitFunctionBody() {
// Emit section containing BB address offsets and their metadata, when
// BB labels are requested for this function. Skip empty functions.
if (HasAnyRealCode) {
- if (MF->hasBBLabels() || MF->getTarget().Options.BBAddrMap)
+ if (MF->getTarget().Options.BBAddrMap)
emitBBAddrMapSection(*MF);
else if (PgoAnalysisMapFeatures.getBits() != 0)
MF->getContext().reportWarning(
@@ -2610,7 +2610,7 @@ void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
F.hasFnAttribute("xray-instruction-threshold") ||
needFuncLabels(MF, *this) || NeedsLocalForSize ||
MF.getTarget().Options.EmitStackSizeSection ||
- MF.getTarget().Options.BBAddrMap || MF.hasBBLabels()) {
+ MF.getTarget().Options.BBAddrMap) {
CurrentFnBegin = createTempSymbol("func_begin");
if (NeedsLocalForSize)
CurrentFnSymForSize = CurrentFnBegin;
@@ -4093,8 +4093,7 @@ bool AsmPrinter::shouldEmitLabelForBasicBlock(
// With `-fbasic-block-sections=`, a label is needed for every non-entry block
// in the labels mode (option `=labels`) and every section beginning in the
// sections mode (`=all` and `=list=`).
- if ((MF->hasBBLabels() || MF->getTarget().Options.BBAddrMap ||
- MBB.isBeginSection()) &&
+ if ((MF->getTarget().Options.BBAddrMap || MBB.isBeginSection()) &&
!MBB.isEntryBlock())
return true;
// A label is needed for any block with at least one predecessor (when that
diff --git a/llvm/lib/CodeGen/BasicBlockSections.cpp b/llvm/lib/CodeGen/BasicBlockSections.cpp
index 0071284c862099..1eedfc4b259126 100644
--- a/llvm/lib/CodeGen/BasicBlockSections.cpp
+++ b/llvm/lib/CodeGen/BasicBlockSections.cpp
@@ -311,11 +311,6 @@ bool BasicBlockSections::handleBBSections(MachineFunction &MF) {
// original layout positions and finding the original fallthroughs.
MF.RenumberBlocks();
- if (BBSectionsType == BasicBlockSection::Labels) {
- MF.setBBSectionsType(BBSectionsType);
- return true;
- }
-
DenseMap<UniqueBBID, BBClusterInfo> FuncClusterInfo;
if (BBSectionsType == BasicBlockSection::List) {
auto [HasProfile, ClusterInfo] =
@@ -382,8 +377,6 @@ bool BasicBlockSections::handleBBSections(MachineFunction &MF) {
// avoids the need to store basic block IDs in the BB address map section, since
// they can be determined implicitly.
bool BasicBlockSections::handleBBAddrMap(MachineFunction &MF) {
- if (MF.getTarget().getBBSectionsType() == BasicBlockSection::Labels)
- return false;
if (!MF.getTarget().Options.BBAddrMap)
return false;
MF.RenumberBlocks();
diff --git a/llvm/lib/CodeGen/CommandFlags.cpp b/llvm/lib/CodeGen/CommandFlags.cpp
index 9e42deb94903de..d180cfcea658c2 100644
--- a/llvm/lib/CodeGen/CommandFlags.cpp
+++ b/llvm/lib/CodeGen/CommandFlags.cpp
@@ -525,8 +525,6 @@ llvm::BasicBlockSection
codegen::getBBSectionsMode(llvm::TargetOptions &Options) {
if (getBBSections() == "all")
return BasicBlockSection::All;
- else if (getBBSections() == "labels")
- return BasicBlockSection::Labels;
else if (getBBSections() == "none")
return BasicBlockSection::None;
else {
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 47b220172602d4..c112bb8e232d27 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -800,10 +800,6 @@ bool MIParser::parseBasicBlockDefinition(
MF.setBBSectionsType(BasicBlockSection::List);
}
if (BBID.has_value()) {
- // BBSectionsType is set to `List` if any basic blocks has `SectionID`.
- // Here, we set it to `Labels` if it hasn't been set above.
- if (!MF.hasBBSections())
- MF.setBBSectionsType(BasicBlockSection::Labels);
MBB->setBBID(BBID.value());
}
MBB->setCallFrameSize(CallFrameSize);
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
index a5d6a40392d0cb..90b211cab0e658 100644
--- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp
@@ -540,9 +540,7 @@ MIRParserImpl::initializeMachineFunction(const yaml::MachineFunction &YamlMF,
return true;
}
// Check Basic Block Section Flags.
- if (MF.getTarget().getBBSectionsType() == BasicBlockSection::Labels) {
- MF.setBBSectionsType(BasicBlockSection::Labels);
- } else if (MF.hasBBSections()) {
+ if (MF.hasBBSections()) {
MF.assignBeginEndSections();
}
PFS.SM = &SM;
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index ab45663436cedc..b56888a0f71fe6 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -465,11 +465,9 @@ MachineFunction::CreateMachineBasicBlock(const BasicBlock *BB,
MachineBasicBlock *MBB =
new (BasicBlockRecycler.Allocate<MachineBasicBlock>(Allocator))
MachineBasicBlock(*this, BB);
- // Set BBID for `-basic-block=sections=labels` and
- // `-basic-block-sections=list` to allow robust mapping of profiles to basic
- // blocks.
- if (Target.getBBSectionsType() == BasicBlockSection::Labels ||
- Target.Options.BBAddrMap ||
+ // Set BBID for `-basic-block-sections=list` and `-basic-block-address-map` to
+ // allow robust mapping of profiles to basic blocks.
+ if (Target.Options.BBAddrMap ||
Target.getBBSectionsType() == BasicBlockSection::List)
MBB->setBBID(BBID.has_value() ? *BBID : UniqueBBID{NextBBID++, 0});
return MBB;
diff --git a/llvm/test/CodeGen/X86/basic-block-sections-labels-empty-block.ll b/llvm/test/CodeGen/X86/basic-block-address-map-empty-block.ll
similarity index 83%
rename from llvm/test/CodeGen/X86/basic-block-sections-labels-empty-block.ll
rename to llvm/test/CodeGen/X86/basic-block-address-map-empty-block.ll
index 8e0f4fa7bc928e..84948b7ecf6e0c 100644
--- a/llvm/test/CodeGen/X86/basic-block-sections-labels-empty-block.ll
+++ b/llvm/test/CodeGen/X86/basic-block-address-map-empty-block.ll
@@ -1,5 +1,5 @@
;; This test verifies that with -gc-empty-basic-blocks SHT_LLVM_BB_ADDR_MAP will not include entries for empty blocks.
-; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-sections=labels -gc-empty-basic-blocks | FileCheck --check-prefix=CHECK %s
+; RUN: llc < %s -mtriple=x86_64 -O0 -basic-block-address-map -gc-empty-basic-blocks | FileCheck --check-prefix=CHECK %s
define void @foo(i1 zeroext %0) nounwind {
br i1 %0, label %2, label %empty_block
diff --git a/llvm/test/CodeGen/X86/basic-block-sections-labels-empty-function.ll b/llvm/test/CodeGen/X86/basic-block-address-map-empty-function.ll
similarity index 68%
rename from llvm/test/CodeGen/X86/basic-block-sections-labels-empty-function.ll
rename to llvm/test/CodeGen/X86/basic-block-address-map-empty-function.ll
index 42d09212e66916..444655fc5299f7 100644
--- a/llvm/test/CodeGen/X86/basic-block-sections-labels-empty-function.ll
+++ b/llvm/test/CodeGen/X86/basic-block-address-map-empty-function.ll
@@ -1,6 +1,6 @@
;; Verify that the BB address map is not emitted for empty functions.
-; RUN: llc < %s -mtriple=x86_64 -basic-block-sections=labels | FileCheck %s --check-prefixes=CHECK,BASIC
-; RUN: llc < %s -mtriple=x86_64 -basic-block-sections=labels -pgo-analysis-map=func-entry-count,bb-freq | FileCheck %s --check-prefixes=CHECK,PGO
+; RUN: llc < %s -mtriple=x86_64 -basic-block-address-map | FileCheck %s --check-prefixes=CHECK,BASIC
+; RUN: llc < %s -mtriple=x86_64 -basic-block-address-map -pgo-analysis-map=func-entry-count,bb-freq | FileCheck %s --check-prefixes=CHECK,PGO
define void @empty_func() {
entry:
diff --git a/llvm/test/CodeGen/X86/basic-block-address-map-function-sections.ll b/llvm/test/CodeGen/X86/basic-block-address-map-function-sections.ll
index d7678604cffa2c..9ff96381c2053f 100644
--- a/llvm/test/CodeGen/X86/basic-block-address-map-function-sections.ll
+++ b/llvm/test/CodeGen/X86/basic-block-address-map-function-sections.ll
@@ -1,4 +1,3 @@
-; RUN: llc < %s -mtriple=x86_64 -function-sections -basic-block-sections=labels | FileCheck %s
; RUN: llc < %s -mtriple=x86_64 -function-sections -basic-block-address-map | FileCheck %s
$_Z4fooTIiET_v = comdat any
diff --git a/llvm/test/CodeGen/X86/basic-block-labels-mir-parse.mir b/llvm/test/CodeGen/X86/basic-block-address-map-mir-parse.mir
similarity index 97%
rename from llvm/test/CodeGen/X86/basic-block-labels-mir-parse.mir
rename to llvm/test/CodeGen/X86/basic-block-address-map-mir-parse.mir
index 6408f0a30af7e5..86f5f27494ec40 100644
--- a/llvm/test/CodeGen/X86/basic-block-labels-mir-parse.mir
+++ b/llvm/test/CodeGen/X86/basic-block-address-map-mir-parse.mir
@@ -1,5 +1,5 @@
# Start after bbsections0-prepare and check that the BB address map is generated.
-# RUN: llc -mtriple x86_64-unknown-linux-gnu -start-after=bbsections-prepare %s -o - | FileCheck %s -check-prefix=CHECK
+# RUN: llc -mtriple x86_64-unknown-linux-gnu -start-after=bbsections-prepare -basic-block-address-map %s -o - | FileCheck %s -check-prefix=CHECK
# How to generate the input:
# foo.cc
@@ -9,7 +9,7 @@
# }
#
# clang -O0 -S -emit-llvm foo.cc
-# llc < foo.ll -stop-after=bbsections-prepare -basic-block-sections=labels
+# llc < foo.ll -stop-after=bbsections-prepare -basic-block-address-map
# CHECK: .section .llvm_bb_addr_map,"o", at llvm_bb_addr_map,.text
--- |
diff --git a/llvm/test/CodeGen/X86/basic-block-address-map.ll b/llvm/test/CodeGen/X86/basic-block-address-map.ll
index 6ab24b494936ab..4f12258eeeea00 100644
--- a/llvm/test/CodeGen/X86/basic-block-address-map.ll
+++ b/llvm/test/CodeGen/X86/basic-block-address-map.ll
@@ -1,9 +1,7 @@
; Check the basic block sections labels option
; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map | FileCheck %s --check-prefixes=CHECK,UNIQ
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels | FileCheck %s --check-prefixes=CHECK,UNIQ
; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=false -basic-block-address-map | FileCheck %s --check-prefixes=CHECK,NOUNIQ
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=false -basic-block-sections=labels | FileCheck %s --check-prefixes=CHECK,NOUNIQ
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels -split-machine-functions | FileCheck %s --check-prefixes=CHECK,UNIQ
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map -split-machine-functions | FileCheck %s --check-prefixes=CHECK,UNIQ
define void @_Z3bazb(i1 zeroext, i1 zeroext) personality ptr @__gxx_personality_v0 {
br i1 %0, label %3, label %8
diff --git a/llvm/test/CodeGen/X86/basic-block-sections-labels-pgo-features.ll b/llvm/test/CodeGen/X86/basic-block-sections-labels-pgo-features.ll
index 92d3c88b4f6013..73fe4f6ffedb0e 100644
--- a/llvm/test/CodeGen/X86/basic-block-sections-labels-pgo-features.ll
+++ b/llvm/test/CodeGen/X86/basic-block-sections-labels-pgo-features.ll
@@ -1,13 +1,13 @@
; Check the basic block sections labels option
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels | FileCheck %s --check-prefixes=CHECK,BASIC
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map | FileCheck %s --check-prefixes=CHECK,BASIC
;; Also verify this holds for all PGO features enabled
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels -pgo-analysis-map=func-entry-count,bb-freq,br-prob | FileCheck %s --check-prefixes=CHECK,PGO-ALL,PGO-FEC,PGO-BBF,PGO-BRP
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map -pgo-analysis-map=func-entry-count,bb-freq,br-prob | FileCheck %s --check-prefixes=CHECK,PGO-ALL,PGO-FEC,PGO-BBF,PGO-BRP
;; Also verify that pgo extension only includes the enabled feature
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels -pgo-analysis-map=func-entry-count | FileCheck %s --check-prefixes=CHECK,PGO-FEC,FEC-ONLY
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels -pgo-analysis-map=bb-freq | FileCheck %s --check-prefixes=CHECK,PGO-BBF,BBF-ONLY
-; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-sections=labels -pgo-analysis-map=br-prob | FileCheck %s --check-prefixes=CHECK,PGO-BRP,BRP-ONLY
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map -pgo-analysis-map=func-entry-count | FileCheck %s --check-prefixes=CHECK,PGO-FEC,FEC-ONLY
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map -pgo-analysis-map=bb-freq | FileCheck %s --check-prefixes=CHECK,PGO-BBF,BBF-ONLY
+; RUN: llc < %s -mtriple=x86_64 -function-sections -unique-section-names=true -basic-block-address-map -pgo-analysis-map=br-prob | FileCheck %s --check-prefixes=CHECK,PGO-BRP,BRP-ONLY
define void @_Z3bazb(i1 zeroext, i1 zeroext) personality ptr @__gxx_personality_v0 !prof !0 {
diff --git a/llvm/test/CodeGen/X86/basic-block-sections-mir-print.ll b/llvm/test/CodeGen/X86/basic-block-sections-mir-print.ll
index 1767903561ce1c..fec87656be195f 100644
--- a/llvm/test/CodeGen/X86/basic-block-sections-mir-print.ll
+++ b/llvm/test/CodeGen/X86/basic-block-sections-mir-print.ll
@@ -1,5 +1,5 @@
; Stop after bbsections-prepare and check MIR output for section type.
-; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=labels -stop-after=bbsections-prepare | FileCheck %s -check-prefix=BBLABELS
+; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-address-map -stop-after=bbsections-prepare | FileCheck %s -check-prefix=BBADDRMAP
; RUN: echo '!_Z3foob' > %t
; RUN: echo '!!1' >> %t
; RUN: echo '!!2' >> %t
@@ -33,7 +33,7 @@ define dso_local i32 @_Z3foob(i1 zeroext %0) {
; BBSECTIONS: bb.1 (%ir-block.7, bb_id 1)
; BBSECTIONS: bb.2 (%ir-block.8, bbsections 1, bb_id 2):
-; BBLABELS: bb.0 (%ir-block.1, bb_id 0):
-; BBLABELS: bb.1 (%ir-block.7, bb_id 1):
-; BBLABELS: bb.2 (%ir-block.8, bb_id 2):
-; BBLABELS: bb.3 (%ir-block.9, bb_id 3):
+; BBADDRMAP: bb.0 (%ir-block.1, bb_id 0):
+; BBADDRMAP: bb.1 (%ir-block.7, bb_id 1):
+; BBADDRMAP: bb.2 (%ir-block.8, bb_id 2):
+; BBADDRMAP: bb.3 (%ir-block.9, bb_id 3):
More information about the cfe-commits
mailing list