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/aosp_15_r20/build/soong/cc/
H A Dlto.go26 // LTO (link-time optimization) allows the compiler to optimize and generate
28 // unit. LTO is required for Clang CFI and other whole-program optimization
29 // techniques. LTO also allows cross-compilation unit optimizations that should
33 // To properly build a module with LTO, the module and all recursive static
39 // LTO, such as CFI.
41 // This file adds support to soong to automatically propagate LTO options to a
42 // new variant of all static dependencies for each module with LTO enabled.
45 // Lto must violate capitalization style for acronyms so that it can be
46 // referred to in blueprint files as "lto"
47 Lto struct { member
[all …]
H A Dlto_test.go65 lto: {
97 if strings.Contains(v, "lto-none") {
98 t.Errorf("Expected variants for 'bar' to not contain 'lto-none', but found %q", v)
103 if strings.Contains(v, "lto-none") {
104 t.Errorf("Expected variants for 'qux' to not contain 'lto-none', but found %q", v)
121 lto: {
129 lto: {
155 if w := "-flto=thin -fsplit-lto-unit"; !strings.Contains(libFooCFlags, w) {
165 if w := "-flto=thin -fsplit-lto-unit"; !strings.Contains(libBazCFlags, w) {
176 lto: {
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/aosp_15_r20/external/clang/docs/
H A DLTOVisibility.rst2 LTO Visibility
5 *LTO visibility* is a property of an entity that specifies whether it can be
6 referenced from outside the current LTO unit. A *linkage unit* is a set of
8 unit's *LTO unit* is the subset of the linkage unit that is linked together
9 using link-time optimization; in the case where LTO is not being used, the
10 linkage unit's LTO unit is empty. Each linkage unit has only a single LTO unit.
12 The LTO visibility of a class is used by the compiler to determine which
19 ODR violation to define a class with hidden LTO visibility in multiple linkage
20 units. A class with public LTO visibility may be defined in multiple linkage
22 control flow integrity features can only be applied to classes with hidden LTO
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/aosp_15_r20/external/llvm/test/tools/dsymutil/
H A Dbasic-linking.test2 …t -verbose -oso-prepend-path=%p %p/Inputs/basic-lto.macho.x86_64 | FileCheck %s --check-prefix=CHE…
4 …64 %p/Inputs/basic-lto.macho.x86_64 %p/Inputs/basic-archive.macho.x86_64 | FileCheck %s --check-pr…
60 ================================= LTO link ================================
61 CHECK-LTO: DEBUG MAP OBJECT: {{.*}}basic-lto.macho.x86_64.o
62 CHECK-LTO: Input compilation unit:
63 CHECK-LTO-NEXT: TAG_compile_unit
64 CHECK-LTO-NOT: TAG
65 CHECK-LTO: AT_name {{.*}}basic1.c
66 CHECK-LTO: Input compilation unit:
67 CHECK-LTO-NEXT: TAG_compile_unit
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H A Ddebug-map-parsing.test2 …-debug-map -oso-prepend-path=%p %p/Inputs/basic-lto.macho.x86_64 | FileCheck %s --check-prefix=CHE…
28 Check that we can parse the debug-map of the basic-lto executable
30 CHECK-LTO-NOT: error
31 CHECK-LTO: ---
32 CHECK-LTO: triple: 'x86_64-apple-darwin'
33 CHECK-LTO: binary-path:{{.*}}/Inputs/basic-lto.macho.x86_64
34 CHECK-LTO: /Inputs/basic-lto.macho.x86_64.o
35 CHECK-LTO-DAG: sym: _bar, objAddr: 0x0000000000000050, binAddr: 0x0000000100000F90, size: 0x000000…
36 CHECK-LTO-DAG: sym: _baz, objAddr: 0x0000000000000658, binAddr: 0x0000000100001000, size: 0x000000…
37 CHECK-LTO-DAG: sym: _foo, objAddr: 0x0000000000000010, binAddr: 0x0000000100000F50, size: 0x000000…
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/aosp_15_r20/prebuilts/clang/host/linux-x86/clang-r522817/include/llvm/LTO/
DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
22 #include "llvm/LTO/Config.h"
47 const lto::Config &C, ModuleSummaryIndex &Index,
67 SmallString<40> &Key, const lto::Config &Conf,
76 namespace lto {
103 class LTO; variable
108 /// information that an LTO client should need in order to do symbol resolution.
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DConfig.h9 // This file defines the lto::Config data structure, which allows clients to
10 // configure LTO.
37 namespace lto {
39 /// LTO configuration. A linker can configure LTO by setting fields in this data
40 /// structure and passing it to the lto::LTO constructor.
47 // computeLTOCacheKey in LTO.cpp.
79 /// Asserts whether we can assume whole program visibility during the LTO
89 /// Always emit a Regular LTO object even when it is empty because no Regular
90 /// LTO modules were linked. This option is useful for some build system which
189 /// If this field is set, LTO will write input file paths and symbol
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/aosp_15_r20/prebuilts/clang/host/linux-x86/clang-r530567b/include/llvm/LTO/
DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
22 #include "llvm/LTO/Config.h"
47 const lto::Config &C, ModuleSummaryIndex &Index,
67 SmallString<40> &Key, const lto::Config &Conf,
76 namespace lto {
105 class LTO; variable
110 /// information that an LTO client should need in order to do symbol resolution.
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DConfig.h9 // This file defines the lto::Config data structure, which allows clients to
10 // configure LTO.
37 namespace lto {
39 /// LTO configuration. A linker can configure LTO by setting fields in this data
40 /// structure and passing it to the lto::LTO constructor.
47 // computeLTOCacheKey in LTO.cpp.
76 /// Asserts whether we can assume whole program visibility during the LTO
86 /// Always emit a Regular LTO object even when it is empty because no Regular
87 /// LTO modules were linked. This option is useful for some build system which
186 /// If this field is set, LTO will write input file paths and symbol
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/aosp_15_r20/prebuilts/clang/host/linux-x86/clang-r530567/include/llvm/LTO/
DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
22 #include "llvm/LTO/Config.h"
47 const lto::Config &C, ModuleSummaryIndex &Index,
67 SmallString<40> &Key, const lto::Config &Conf,
76 namespace lto {
105 class LTO; variable
110 /// information that an LTO client should need in order to do symbol resolution.
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DConfig.h9 // This file defines the lto::Config data structure, which allows clients to
10 // configure LTO.
37 namespace lto {
39 /// LTO configuration. A linker can configure LTO by setting fields in this data
40 /// structure and passing it to the lto::LTO constructor.
47 // computeLTOCacheKey in LTO.cpp.
76 /// Asserts whether we can assume whole program visibility during the LTO
86 /// Always emit a Regular LTO object even when it is empty because no Regular
87 /// LTO modules were linked. This option is useful for some build system which
186 /// If this field is set, LTO will write input file paths and symbol
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/aosp_15_r20/prebuilts/clang/host/linux-x86/clang-r536225/include/llvm/LTO/
DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
22 #include "llvm/LTO/Config.h"
47 const lto::Config &C, ModuleSummaryIndex &Index,
67 SmallString<40> &Key, const lto::Config &Conf,
76 namespace lto {
105 class LTO; variable
110 /// information that an LTO client should need in order to do symbol resolution.
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/aosp_15_r20/external/AFLplusplus/instrumentation/
H A DREADME.lto.md1 # afl-clang-lto - collision free instrumentation at link time
7 1. Use afl-clang-lto/afl-clang-lto++ because the resulting binaries run
18 Some targets might need `LD=afl-clang-lto` and others `LD=afl-ld-lto`.
38 * To instrument at link time, we compile in LTO (link time optimization) mode.
39 * Our compiler (afl-clang-lto/afl-clang-lto++) takes care of setting the correct
40 LTO options and runs our own afl-ld linker instead of the system linker.
41 * The LLVM linker collects all LTO files to link and instruments them so that we
56 libtool: link: afl-clang-lto -g -O2 -Wall -W -o thumbnail thumbnail.o ../libtiff/.libs/libtiff.a .…
57 afl-clang-lto++2.63d by Marc "vanHauser" Heuse <[email protected]> in mode LTO
58 afl-llvm-lto++2.63d by Marc "vanHauser" Heuse <[email protected]>
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/aosp_15_r20/external/elfutils/tests/
H A Drun-allfcts.sh94 # = testfile-lto.h =
103 # = testfile-lto-func.c =
104 # #include "testfile-lto.h"
116 # = testfile-lto-main.c =
117 # #include "testfile-lto.h"
134 # gcc -g -O2 -flto -c testfile-lto-func.c
135 # gcc -g -O2 -flto -c testfile-lto-main.c
136 # gcc -g -O2 -flto -o testfile-lto-gcc10 testfile-lto-func.o testfile-lto-main.o
138 testfiles testfile-lto-gcc10
140 testrun_compare ${abs_builddir}/allfcts testfile-lto-gcc10 <<\EOF
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/aosp_15_r20/external/swiftshader/third_party/llvm-16.0/llvm/include/llvm/LTO/
H A DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
22 #include "llvm/LTO/Config.h"
47 const lto::Config &C, ModuleSummaryIndex &Index,
67 SmallString<40> &Key, const lto::Config &Conf,
76 namespace lto {
99 class LTO; variable
104 /// information that an LTO client should need in order to do symbol resolution.
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H A DConfig.h9 // This file defines the lto::Config data structure, which allows clients to
10 // configure LTO.
37 namespace lto {
39 /// LTO configuration. A linker can configure LTO by setting fields in this data
40 /// structure and passing it to the lto::LTO constructor.
47 // computeLTOCacheKey in LTO.cpp.
78 /// Asserts whether we can assume whole program visibility during the LTO
82 /// Always emit a Regular LTO object even when it is empty because no Regular
83 /// LTO modules were linked. This option is useful for some build system which
186 /// If this field is set, LTO will write input file paths and symbol
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/aosp_15_r20/external/swiftshader/third_party/llvm-10.0/llvm/include/llvm/LTO/
H A DLTO.h1 //===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
9 // This file declares functions and classes used to support LTO. It is intended
10 // to be used both by LTO classes as well as by clients (gold-plugin) that
11 // don't utilize the LTO code generator interfaces.
24 #include "llvm/LTO/Config.h"
70 SmallString<40> &Key, const lto::Config &Conf,
79 namespace lto {
98 class LTO; variable
103 /// information that an LTO client should need in order to do symbol resolution.
109 // FIXME: Remove LTO class friendship once we have bitcode symbol tables.
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/aosp_15_r20/tools/test/connectivity/acts_tests/tests/google/gnss/
DGnssVendorFeaturesTest.py99 """Verify XTRA/LTO functionality of TTFF Cold Start with mobile data.
105 XTRA/LTO TTFF Cold Start results should be within xtra_cs_criteria.
112 """Verify XTRA/LTO functionality of TTFF Warm Start with mobile data.
118 XTRA/LTO TTFF Warm Start results should be within xtra_ws_criteria.
125 """Verify XTRA/LTO functionality of TTFF Hot Start with mobile data.
131 XTRA/LTO TTFF Hot Start results should be within xtra_hs_criteria.
138 """Verify XTRA/LTO functionality of TTFF Cold Start with WiFi.
146 XTRA/LTO TTFF Cold Start results should be within
155 """Verify XTRA/LTO functionality of TTFF Warm Start with WiFi.
163 XTRA/LTO TTFF Warm Start results should be within xtra_ws_criteria.
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/aosp_15_r20/external/swiftshader/third_party/llvm-10.0/llvm/lib/LTO/
H A DLTO.cpp1 //===-LTO.cpp - LLVM Link Time Optimizer ----------------------------------===//
9 // This file implements functions and classes used to support LTO.
13 #include "llvm/LTO/LTO.h"
28 #include "llvm/LTO/LTOBackend.h"
29 #include "llvm/LTO/SummaryBasedOptimizations.h"
55 using namespace lto;
58 #define DEBUG_TYPE "lto"
64 /// Enable global value internalization in LTO.
66 "enable-lto-internalization", cl::init(true), cl::Hidden,
67 cl::desc("Enable global value internalization in LTO"));
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/aosp_15_r20/external/AFLplusplus/test/
H A Dtest-llvm-lto.sh5 $ECHO "$BLUE[*] Testing: LTO llvm_mode"
6 test -e ../afl-clang-lto -a -e ../SanitizerCoverageLTO.so && {
16 ../afl-clang-lto -o test-instr.plain ../test-instr.c > /dev/null 2>&1
18 $ECHO "$GREEN[+] llvm_mode LTO compilation succeeded"
23 … $ECHO "$RED[!] llvm_mode LTO instrumentation should be different on different input but is not"
26 $ECHO "$GREEN[+] llvm_mode LTO instrumentation present and working correctly"
29 $ECHO "$GREEN[+] llvm_mode LTO run reported $TUPLES instrumented locations which is fine"
31 $ECHO "$RED[!] llvm_mode LTO instrumentation produces weird numbers: $TUPLES"
36 $ECHO "$RED[!] llvm_mode LTO instrumentation failed"
41 $ECHO "$RED[!] LTO llvm_mode failed"
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/aosp_15_r20/external/AFLplusplus/
H A DGNUmakefile.llvm98 $(info [+] llvm_mode detected llvm 12+, enabling afl-lto LTO implementation)
103 $(info [+] llvm_mode detected llvm < 12, afl-lto LTO will not be build.)
230 …ts of a different version than LLMV ($(TMP_LDLDD_VERSION) vs. $(LLVMVER)) - cannot enable LTO mode)
236 $(warning ld.lld not found, cannot enable LTO mode)
241 …$(warning clang option -flto is not working - maybe LLVMgold.so not found - cannot enable LTO mode)
254 $(warning -fuse-ld is not working, cannot enable LTO mode)
344 …ss.so ./afl-llvm-dict2file.so ./compare-transform-pass.so ./afl-ld-lto ./afl-llvm-lto-instrumentli…
412 @ln -sf afl-cc ./afl-clang-lto
413 @ln -sf afl-cc ./afl-clang-lto++
414 @ln -sf afl-cc ./afl-lto
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/aosp_15_r20/external/swiftshader/third_party/llvm-16.0/llvm/lib/LTO/
H A DLTO.cpp1 //===-LTO.cpp - LLVM Link Time Optimizer ----------------------------------===//
9 // This file implements functions and classes used to support LTO.
13 #include "llvm/LTO/LTO.h"
33 #include "llvm/LTO/LTOBackend.h"
34 #include "llvm/LTO/SummaryBasedOptimizations.h"
62 using namespace lto;
65 #define DEBUG_TYPE "lto"
72 /// Enable global value internalization in LTO.
74 "enable-lto-internalization", cl::init(true), cl::Hidden,
75 cl::desc("Enable global value internalization in LTO"));
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H A DLTOCodeGenerator.cpp14 #include "llvm/LTO/legacy/LTOCodeGenerator.h"
39 #include "llvm/LTO/LTO.h"
40 #include "llvm/LTO/LTOBackend.h"
41 #include "llvm/LTO/legacy/LTOModule.h"
42 #include "llvm/LTO/legacy/UpdateCompilerUsed.h"
75 "lto-discard-value-names",
76 cl::desc("Strip names from Value during LTO (other than GlobalValue)."),
85 "lto-pass-remarks-with-hotness",
91 "lto-pass-remarks-hotness-threshold",
98 RemarksFilename("lto-pass-remarks-output",
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/aosp_15_r20/external/llvm/test/tools/dsymutil/X86/
H A Dmultiple-inputs.test6 RUN: cat %p/../Inputs/basic-lto.macho.x86_64 > %T/multiple-inputs/basic-lto.macho.x86_64
7 RUN: cat %p/../Inputs/basic-lto-dw4.macho.x86_64 > %T/multiple-inputs/basic-lto-dw4.macho.x86_64
10 …s/basic-archive.macho.x86_64 %T/multiple-inputs/basic-lto.macho.x86_64 %T/multiple-inputs/basic-lt…
15 RUN: llvm-dwarfdump %T/multiple-inputs/basic-lto.macho.x86_64.dwarf | FileCheck %S/basic-lto-linkin…
16 RUN: llvm-dwarfdump %T/multiple-inputs/basic-lto-dw4.macho.x86_64.dwarf | FileCheck %S/basic-lto-dw…
19 …s/basic-archive.macho.x86_64 %T/multiple-inputs/basic-lto.macho.x86_64 %T/multiple-inputs/basic-lt…
24 …: llvm-dwarfdump %t.dSYM/Contents/Resources/DWARF/basic-lto.macho.x86_64 | FileCheck %S/basic-lto-…
25 …llvm-dwarfdump %t.dSYM/Contents/Resources/DWARF/basic-lto-dw4.macho.x86_64 | FileCheck %S/basic-lt…
28 …s/basic-archive.macho.x86_64 %T/multiple-inputs/basic-lto.macho.x86_64 %T/multiple-inputs/basic-lt…
/aosp_15_r20/external/clang/test/Driver/
H A Dlto.c6 // CHECK-COMPILE-ACTIONS: 3: backend, {2}, lto-bc
11 // CHECK-COMPILELINK-ACTIONS: 0: input, "{{.*}}lto.c", c
14 // CHECK-COMPILELINK-ACTIONS: 3: backend, {2}, lto-bc
22 // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.i" "-x" "c" "{{.*}}lto.c"
23 // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.bc" {{.*}}"{{.*}}lto.i"
24 // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.o" {{.*}}"{{.*}}lto.bc"
25 // CHECK-COMPILELINK-SUFFIXES: "{{.*}}a.{{(out|exe)}}" {{.*}}"{{.*}}lto.o"
30 // CHECK-COMPILE-SUFFIXES: "-o" "{{.*}}lto.s" "-x" "c" "{{.*}}lto.c"
37 // RUN: FileCheck -check-prefix=CHECK-LINK-LTO-ACTION < %t %s
39 // CHECK-LINK-LTO-ACTION: "-plugin" "{{.*}}/LLVMgold.so"
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