[llvm] update to 11.0.0

ports/llvm/0001-add-bigobj-option.patch

@@ -0,0 +1,15 @@
+diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
+index 5ef22eb493b..e91c4c8d607 100644
+--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
++++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
+@@ -478,6 +478,10 @@ if( MSVC )
+       endif()
+     endif()
+   endif()
++  # By default MSVC has a 2^16 limit on the number of sections in an object file,
++  # but in many objects files need more than that. This flag is to increase the
++  # number of sections.
++  append("/bigobj" CMAKE_CXX_FLAGS)
+ endif( MSVC )
+
+ # Warnings-as-errors handling for GCC-compatible compilers:

ports/llvm/0003-fix-openmp-debug.patch

@@ -0,0 +1,22 @@
+diff --git a/openmp/runtime/src/CMakeLists.txt b/openmp/runtime/src/CMakeLists.txt
+index 81275c0483d..61468e048ec 100644
+--- a/openmp/runtime/src/CMakeLists.txt
++++ b/openmp/runtime/src/CMakeLists.txt
+@@ -136,7 +136,7 @@ libomp_get_ldflags(LIBOMP_CONFIGURED_LDFLAGS)
+ add_library(omp ${LIBOMP_LIBRARY_KIND} ${LIBOMP_SOURCE_FILES})
+
+ set_target_properties(omp PROPERTIES
+-  PREFIX "" SUFFIX "" OUTPUT_NAME "${LIBOMP_LIB_FILE}"
++  PREFIX "" SUFFIX "" OUTPUT_NAME "${LIBOMP_LIB_FILE}" DEBUG_POSTFIX ""
+   LINK_FLAGS "${LIBOMP_CONFIGURED_LDFLAGS}"
+   LINKER_LANGUAGE ${LIBOMP_LINKER_LANGUAGE}
+ )
+@@ -215,7 +215,7 @@ if(WIN32)
+     # Create new import library that is just the previously created one + kmp_import.cpp
+     add_library(ompimp STATIC ${LIBOMP_GENERATED_IMP_LIB} kmp_import.cpp)
+     set_target_properties(ompimp PROPERTIES
+-      PREFIX "" SUFFIX "" OUTPUT_NAME "${LIBOMP_IMP_LIB_FILE}"
++      PREFIX "" SUFFIX "" OUTPUT_NAME "${LIBOMP_IMP_LIB_FILE}" DEBUG_POSTFIX ""
+       LINKER_LANGUAGE C
+     )
+     add_dependencies(ompimp omp) # ensure generated import library is created first

ports/llvm/0006-workaround-msvc-bug.patch

@@ -0,0 +1,39 @@
+diff --git a/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp b/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
+--- a/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
++++ b/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
+@@ -10,6 +10,17 @@
+ //
+ //===----------------------------------------------------------------------===//
+
++// Disable optimizations to work around MSVC debug mode bug in 32-bit:
++// https://developercommunity.visualstudio.com/content/problem/1179643/msvc-copies-overaligned-non-trivially-copyable-par.html
++// FIXME: Remove this when the issue is closed.
++#if defined(_MSC_VER) && !defined(__clang__) && defined(_M_IX86)
++// We have to disable runtime checks in order to enable optimizations. This is
++// done for the entire file because the problem is actually observed in STL
++// template functions.
++#pragma runtime_checks("", off)
++#pragma optimize("gs", on)
++#endif
++
+ #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
+
+ using namespace llvm;
+diff --git a/llvm/unittests/CodeGen/GlobalISel/LegalizerInfoTest.cpp b/llvm/unittests/CodeGen/GlobalISel/LegalizerInfoTest.cpp
+--- a/llvm/unittests/CodeGen/GlobalISel/LegalizerInfoTest.cpp
++++ b/llvm/unittests/CodeGen/GlobalISel/LegalizerInfoTest.cpp
+@@ -406,3 +406,13 @@
+                                   32, 8, AtomicOrdering::NotAtomic }));
+   }
+ }
++
++// This code sequence doesn't do anything, but it covers a previously uncovered
++// codepath that used to crash in MSVC x86_32 debug mode.
++TEST(LegalizerInfoTest, MSVCDebugMiscompile) {
++  const LLT S1 = LLT::scalar(1);
++  const LLT P0 = LLT::pointer(0, 32);
++  LegalizerInfo LI;
++  auto Builder = LI.getActionDefinitionsBuilder(TargetOpcode::G_PTRTOINT);
++  (void)Builder.legalForCartesianProduct({S1}, {P0});
++}
+

ports/llvm/CONTROL

@@ -1,6 +1,5 @@
 Source: llvm
-Version: 10.0.0
-Port-Version: 7
+Version: 11.0.0
 Homepage: https://llvm.org/
 Description: The LLVM Compiler Infrastructure
 Supports: !uwp
@@ -18,7 +17,7 @@ Build-Depends: llvm[core,target-x86] (x86|x64), llvm[core,target-arm] (arm&!arm6
 
 Feature: target-all
 Description: Build with all backends.
-Build-Depends: llvm[core,target-aarch64,target-amdgpu,target-arm,target-bpf,target-hexagon,target-lanai,target-mips,target-msp430,target-nvptx,target-powerpc,target-riscv,target-sparc,target-systemz,target-webassembly,target-x86,target-xcore]
+Build-Depends: llvm[core,target-aarch64,target-amdgpu,target-arm,target-avr,target-bpf,target-hexagon,target-lanai,target-mips,target-msp430,target-nvptx,target-powerpc,target-riscv,target-sparc,target-systemz,target-webassembly,target-x86,target-xcore]
 
 Feature: target-aarch64
 Description: Build with AArch64 backend.
@@ -29,6 +28,9 @@ Description: Build with AMDGPU backend.
 Feature: target-arm
 Description: Build with ARM backend.
 
+Feature: target-avr
+Description: Build with AVR backend.
+
 Feature: target-bpf
 Description: Build with BPF backend.
 
@@ -95,14 +97,23 @@ Description: Build Clang tools.
 Feature: compiler-rt
 Description: Build compiler's runtime libraries.
 
+Feature: flang
+Description: Build Fortran front end.
+Build-Depends: llvm[core,mlir]
+
 Feature: lld
 Description: Build LLVM linker.
 
-Feature: openmp
-Description: Build LLVM OpenMP libraries.
-
 Feature: lldb
 Description: Build LLDB debugger.
 
+Feature: mlir
+Description: Build Multi-Level IR Compiler Framework.
+
+Feature: openmp
+Description: Build LLVM OpenMP libraries.
+Build-Depends: llvm[core,utils]
+
 Feature: polly
 Description: Build polyhedral optimizations for LLVM.
+Build-Depends: llvm[core,utils]