clang: Upgrade to 20.1.1

* 424c2d9b7e4d [libcxx] Add a missing include for __bit_iterator (#127015)
* 2cc53628fbe8 [SCEV] Check whether the start is non-zero in `ScalarEvolution::howFarToZero` (#131522)
* 0619bbcbbd86 [BPF] Add default cpu change in ReleaseNotes (#131691)
* 2dc152fb40db fix abi (again)
* 2044b18af046 fix abi
* e3f0ce3ef803 [Clang] Do not emit nodiscard warnings for the base expr of static member access (#131450)
* 0ceb4efefeaa [CUDA][HIP] fix virtual dtor host/device attr (#128926)
* 1058e693f090 [libc++][test] Skip a `is_virtual_base_of` test for apple-clang-17 (#131438)
* 1f9d00524b8c [libc++] Forward-proof some tests for AppleClang 17
* 1515c4ac202d [LAA] Consider accessed addrspace when mapping underlying obj to access. (#129087)
* 1cfbb9f33436 Backport/20.x: [Clang] Fix an incorrect assumption on getTemplatedDecl()
* 0fcfeacd8b99 [BPF] Fix BitCast Assertion with NonZero AddrSpace
* 0b23d98dceaa Reduce memory usage in AST parent map generation by lazily checking if nodes have been seen (#129934)
* 073ae08864b4  AMDGPU: Fix broken broken negative test for gfx950 assembler (#129667) (#129686)
* cb50aaf8a11b [llvm-objcopy] Apply encryptable offset to first segment, not section (#130517)
* 63e63f306128 [Clang] Fix an integer overflow issue in computing CTAD's parameter depth (#128704)
* b09b05b8e7c3 [MemCpyOpt] Fix clobber check in fca2memcpy optimization
* 64ae6413559e [SystemZ]  Move disabling of arg verification to before isFullyInternal(). (#130693)
* 548d057ebcfa [VectorCombine] scalarizeLoadExtract - don't create scalar loads if any extract is waiting to be erased (#129375)
* 7c154dad4d15 [Clang] Fix GPU intrinsic helpers incorrectly sign extending (#129560)
* 946780474f3b [libc++][test] extend XFAIL clauses to cover Amazon Linux too (#129377)
* f09bcfbdc90b [LoongArch] Relax the restrictions of inlineasm operand modifier 'u' and 'w' (#129864)
* f62b50e0e8f1 [ValueTracking] Skip incoming values that are the same as the phi in `isGuaranteedNotToBeUndefOrPoison` (#130111)
* 50343e517992 [HEXAGON] Fix hvx-isel for extract_subvector op (#129672)
* 0412f708c380 [TailDuplicator] Do not restrict the computed gotos (#114990)
* 72c4a3f419f4 [clang][test] Don't require specific alignment in test case (#130589)
* fbb2a7e74d91 [clang] Reject constexpr-unknown values as constant expressions more consistently (#129952)
* 9010db1b84ef [Clang] Treat constexpr-unknown value as invalid in `EvaluateAsInitializer` (#128409)
* 32ce5b043c2b [AArch64] Fix BE popcount casts. (#129879)
* 05be3ca72e39 [AArch64] Add BE test coverage for popcount. NFC
* 0e96713a3b29 [ValueTracking] Bail out on x86_fp80 when computing fpclass with knownbits (#130477)
* 0fda7e633255 [X86][AVX10.2] Fix unexpected larger scope (#130767)
* f7a4e3a4d45d [clang-format] Don't remove parentheses separated from ellipsis by comma (#130471)
* 1d4d84c89be6 [AArch64] Don't try to custom lower fp16 selects with nofp (#129492)
* 0064565bce3f [DAGCombiner] Don't ignore N2's undef elements in `foldVSelectOfConstants` (#129272)
* 54c90e4cdf2f [lldb] Fix manual CURSES_LIBRARIES tinfo finding (#128245)
* 712d3c7f0944 [lldb] Add terminfo dependency for ncurses support (#126810)
* 6525b151fe77 [Hexagon] Handle Call Operand vxi1 in Hexagon Backend (#128027)
* dcc378e862de [libc++] Guard <codecvt> contents on _LIBCPP_HAS_LOCALIZATION (#129112)
* 0f5e7e86e38e [SystemZ] Add header guard macros to vecintrin.h (#129170)
* 5b552d780ae8 [LV][VPlan] Prevent calculate cost for skiped instructions in precomputeCosts(). (#127966)
* 20adce87104c [libc++][ci] Update the Windows toolchains to Clang 19 (#129232)
* 0e537474ea59 Bump version to 20.1.1 (#130806)

Signed-off-by: Khem Raj <raj.khem@gmail.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/conf/layer.conf b/conf/layer.conf
index 82f2bc0..eea26f1 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -33,7 +33,7 @@ INHERIT += "clang"
 # Do not include clang in SDK unless user wants to
 CLANGSDK ??= "0"
 
-LLVMVERSION = "19.1.7"
+LLVMVERSION = "20.1.1"
 
 NON_MULTILIB_RECIPES:append = " llvm-project-source"
 
diff --git a/recipes-devtools/clang/clang.inc b/recipes-devtools/clang/clang.inc
index 49245d3..784b1b1 100644
--- a/recipes-devtools/clang/clang.inc
+++ b/recipes-devtools/clang/clang.inc
@@ -5,7 +5,7 @@ LLVM_HTTP ?= "https://github.com/llvm"
 
 MAJOR_VER = "20"
 MINOR_VER = "1"
-PATCH_VER = "0"
+PATCH_VER = "1"
 # could be 'rcX' or 'git' or empty ( for release )
 VER_SUFFIX = ""
 
diff --git a/recipes-devtools/clang/common.inc b/recipes-devtools/clang/common.inc
index 7b1733e..ef9e7eb 100644
--- a/recipes-devtools/clang/common.inc
+++ b/recipes-devtools/clang/common.inc
@@ -15,7 +15,7 @@ LICENSE = "Apache-2.0-with-LLVM-exception"
 RELEASE ?= "${PV}"
 BASEURI ?= "${LLVM_HTTP}/llvm-project/releases/download/llvmorg-${PV}/llvm-project-${PV}.src.tar.xz"
 SOURCEDIR ?= "llvm-project-${PV}.src"
-SRC_URI[sha256sum] = "4579051e3c255fb4bb795d54324f5a7f3ef79bd9181e44293d7ee9a7f62aad9a"
+SRC_URI[sha256sum] = "4d5ebbd40ce1e984a650818a4bb5ae86fc70644dec2e6d54e78b4176db3332e0"
 
 SRC_URI = "\
     ${BASEURI} \