Accepting request 1059871 from devel:tools:compiler

- Update to version 15.0.7.
  * This release contains bug-fixes for the LLVM 15.0.0 release.
    This release is API and ABI compatible with 15.0.0.
- Rebase llvm-do-not-install-static-libraries.patch.
- Build stage 2 with -fno-plt on x86_64: since building with
  -Wl,-z,now the PLT stubs are basically dead code, so eliminating
  the indirection reduces the number of branches and improves code
  locality for the quite frequent cross-DSO calls.
- Add llvm-workaround-superfluous-branches.patch: hints LLVM to
  eliminate branches until gh#llvm/llvm-project#28804 is solved.

OBS-URL: https://build.opensuse.org/request/show/1059871
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/llvm15?expand=0&rev=7

clang-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
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-size 18838320

clang-docs-15.0.6.src.tar.xz

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clang-tools-extra-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
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-oid sha256:92b1714294efe13906d3b3f87d3273ea9eb38cb7f3b78631820086f0b0173b25
-size 3080252

cmake-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7613aeeaba9b8b12b35224044bc349b5fa45525919625057fa54dc882dcb4c86
-size 6972

compiler-rt-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b46f5b5b02402ef3acd92e7adf2d551e0b2a8ed19fce66800472dc0ad2a81fbc
-size 2351240

libcxx-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4a31567ec0176a3b5615e0fe9f1b16c123c2fb26b3c884c8e453fb126a5390a8
-size 3343472

libcxxabi-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 568780

lld-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 1407396

lldb-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
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-oid sha256:7d5bd5b2d1ea90d0155f6f26762ab2047ab09a162cdb4e0e8648cc64cbb6f088
-size 10298404

llvm-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0b32199401f27e2e0353846a8c5fbadd77beca2570654fb9ef7ac9b7f26967e3
-size 53525892

llvm-do-not-install-static-libraries.patch

@@ -2,10 +2,10 @@ This has similar effect as simply deleting the static libraries which we don't
 want after installation. By not copying them in the first place we reduce the
 disk usage during installation.
 
-Index: clang-15.0.6.src/cmake/modules/AddClang.cmake
+Index: clang-15.0.7.src/cmake/modules/AddClang.cmake
 ===================================================================
---- a/clang-15.0.6.src/cmake/modules/AddClang.cmake
-+++ b/clang-15.0.6.src/cmake/modules/AddClang.cmake
+--- a/clang-15.0.7.src/cmake/modules/AddClang.cmake
++++ b/clang-15.0.7.src/cmake/modules/AddClang.cmake
 @@ -106,12 +106,15 @@ macro(add_clang_library name)
  
        if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN)
@@ -68,10 +68,10 @@ Index: cmake/modules/AddLLVM.cmake
    endif()
    if (ARG_MODULE)
      set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
-Index: lld-15.0.6.src/cmake/modules/AddLLD.cmake
+Index: lld-15.0.7.src/cmake/modules/AddLLD.cmake
 ===================================================================
---- a/lld-15.0.6.src/cmake/modules/AddLLD.cmake
-+++ b/lld-15.0.6.src/cmake/modules/AddLLD.cmake
+--- a/lld-15.0.7.src/cmake/modules/AddLLD.cmake
++++ b/lld-15.0.7.src/cmake/modules/AddLLD.cmake
 @@ -17,13 +17,6 @@ macro(add_lld_library name)
  
    if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
@@ -86,10 +86,10 @@ Index: lld-15.0.6.src/cmake/modules/AddLLD.cmake
      if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
        add_llvm_install_targets(install-${name}
          DEPENDS ${name}
-Index: polly-15.0.6.src/cmake/polly_macros.cmake
+Index: polly-15.0.7.src/cmake/polly_macros.cmake
 ===================================================================
---- a/polly-15.0.6.src/cmake/polly_macros.cmake
-+++ b/polly-15.0.6.src/cmake/polly_macros.cmake
+--- a/polly-15.0.7.src/cmake/polly_macros.cmake
++++ b/polly-15.0.7.src/cmake/polly_macros.cmake
 @@ -42,12 +42,14 @@ macro(add_polly_library name)
      llvm_config(${name} ${LLVM_LINK_COMPONENTS})
    endif( LLVM_LINK_COMPONENTS )
@@ -110,10 +110,10 @@ Index: polly-15.0.6.src/cmake/polly_macros.cmake
  endmacro(add_polly_library)
  
  macro(add_polly_loadable_module name)
-Index: polly-15.0.6.src/lib/CMakeLists.txt
+Index: polly-15.0.7.src/lib/CMakeLists.txt
 ===================================================================
---- a/polly-15.0.6.src/lib/CMakeLists.txt
-+++ b/polly-15.0.6.src/lib/CMakeLists.txt
+--- a/polly-15.0.7.src/lib/CMakeLists.txt
++++ b/polly-15.0.7.src/lib/CMakeLists.txt
 @@ -74,7 +74,7 @@ set_target_properties(PollyCore PROPERTI
  # It depends on all library it needs, such that with
  # LLVM_POLLY_LINK_INTO_TOOLS=ON, its dependencies like PollyISL are linked as

llvm-docs-15.0.6.src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bf59f6f72ee1c8a2397b13523b6a8ed53c35262f7f99b05b7cb69b144e853a88
-size 6846028

llvm-workaround-superfluous-branches.patch

@@ -0,0 +1,14 @@
+diff --git a/llvm/include/llvm/Support/Casting.h b/llvm/include/llvm/Support/Casting.h
+index b6bbff8..1b68640 100644
+--- a/llvm/include/llvm/Support/Casting.h
++++ b/llvm/include/llvm/Support/Casting.h
+@@ -605,6 +605,9 @@ LLVM_NODISCARD inline decltype(auto) dyn_cast(From &Val) {
+ 
+ template <typename To, typename From>
+ LLVM_NODISCARD inline decltype(auto) dyn_cast(From *Val) {
++#if defined(__clang__) && defined(NDEBUG)
++  __builtin_assume(Val);
++#endif
+   return CastInfo<To, From *>::doCastIfPossible(Val);
+ }
+ 

llvm15.changes

@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Sat Jan 14 14:06:38 UTC 2023 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- Update to version 15.0.7.
+  * This release contains bug-fixes for the LLVM 15.0.0 release.
+    This release is API and ABI compatible with 15.0.0.
+- Rebase llvm-do-not-install-static-libraries.patch.
+- Build stage 2 with -fno-plt on x86_64: since building with
+  -Wl,-z,now the PLT stubs are basically dead code, so eliminating
+  the indirection reduces the number of branches and improves code
+  locality for the quite frequent cross-DSO calls.
+- Add llvm-workaround-superfluous-branches.patch: hints LLVM to
+  eliminate branches until gh#llvm/llvm-project#28804 is solved.
+
 -------------------------------------------------------------------
 Sun Dec  4 21:43:38 UTC 2022 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 

llvm15.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package llvm15
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,14 +16,14 @@
 #
 
 
-%define _relver 15.0.6
+%define _relver 15.0.7
 %define _version %_relver%{?_rc:rc%_rc}
 %define _tagver %_relver%{?_rc:-rc%_rc}
 %define _minor  15.0
 %define _sonum  15
 %define _itsme15 1
 # Integer version used by update-alternatives
-%define _uaver  1506
+%define _uaver  1507
 %define _soclang 13
 %define _socxx  1
 
@@ -367,6 +367,8 @@ Patch13:        llvm-normally-versioned-libllvm.patch
 Patch14:        llvm-do-not-install-static-libraries.patch
 # PATCH-FIX-OPENSUSE (or -UPSTREAM?): we disable RPATHs, but the test driver drops LD_LIBRARY_PATH.
 Patch15:        libcxx-test-library-path.patch
+# PATCH-FIX-UPSTREAM (?): Work around gh#llvm/llvm-project#28804 by hinting with __builtin_assume.
+Patch16:        llvm-workaround-superfluous-branches.patch
 Patch20:        llvm_build_tablegen_component_as_shared_library.patch
 Patch21:        tests-use-python3.patch
 Patch22:        llvm-better-detect-64bit-atomics-support.patch
@@ -807,6 +809,7 @@ This package contains the development files for Polly.
 %patch5 -p1
 %patch13 -p1
 %patch14 -p1
+%patch16 -p2
 %patch20 -p1
 %patch21 -p1
 %patch22 -p1
@@ -979,6 +982,15 @@ if ! ./stage1/bin/clang -c -xc -Werror -fstack-clash-protection -o /dev/null /de
 then
     flags=$(echo %flags | sed 's/-fstack-clash-protection//');
 fi
+# 4) Add -fno-plt: With -Wl,-z,now the PLT is basically dead code, so we can
+#    now go the direct route for quite frequent cross-DSO calls. This reduces
+#    branches in a typical execution by ~5 percent, instructions/cycles
+#    by ~4 percent, and reduces pressure on the instruction cache. We do this
+#    only on x86_64 where it doesn't increase the code size significantly.
+%ifarch x86_64
+flags="$flags -fno-plt"
+%endif
+
 CFLAGS=$flags
 CXXFLAGS=$flags
 

openmp-15.0.6.src.tar.xz

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