https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152245
The target's output bitcode `libclc_builtins_lib` is located in a sub-directory
in clang resource directory since df7473673214. Setting TARGET_FILE property
can allow targets in non-libclc project to obtain th
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/151644
Move id first along 0th dimension to achieve coalesced memory access when
stride is 1.
>From 1fe808b52e11dfe569c489a9dc8f1cdd3fa87afc Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 1 Aug 2025 07:45:50 +02
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/151446
>From eed56d228c0613f563c23f9be23d681ef3d87f2b Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Thu, 31 Jul 2025 05:07:23 +0200
Subject: [PATCH 1/2] [libclc] Move mem_fence and barrier to clc library
__clc_mem_fe
wenju-he wrote:
> If the decision is the conformance test continues doing what it has been
> doing, it should directly map to llvm.minimumnum/maximumnum.
For now, @frasercrmck can we update this PR to use
__builtin_elementwise_maximumnum/minimumnum so that OpenCL CTS can pass?
https://github.
@@ -0,0 +1,37 @@
+//===--===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apac
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152275
It is necessary to add MemorySemantic argument which means the memory or
address space to which the memory ordering is applied.
The MemorySemantic is also necessary for implementing the SPIR-V MemoryBarrier
i
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152431
None
>From 73299b736c61a2042aeadf46e62a93e11ca5a890 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Thu, 7 Aug 2025 05:03:56 +0200
Subject: [PATCH] [libclc] Add missing clc/lib/ptx-nvidiacl/SOURCES to
CMAKE_CON
https://github.com/wenju-he approved this pull request.
LGTM. I think llvm-spirv should be fixed, so that we can also use
__builtin_elementwise_max/minimumnum for the target.
https://github.com/llvm/llvm-project/pull/128506
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/139871
This enables file_specific_compile_options to take precedence over
ARG_COMPILE_FLAGS. For example, if we add -fno-slp-vectorize to COMPILE_OPTIONS
of a file, the behavior changes as follows:
* Before this PR:
wenju-he wrote:
@frasercrmck please help to review, thanks.
https://github.com/llvm/llvm-project/pull/139871
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/140679
>From 5015512439f6ba846223b1d04e71d8cdae36d3fa Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Mon, 19 May 2025 22:14:55 -0700
Subject: [PATCH] [libclc] Re-use shuffle_decl.inc in OpenCL shuffle2
declaration
Al
wenju-he wrote:
> Sorry, just merged #140557 so you'll have to fix the conflicts before merging.
done, thanks
https://github.com/llvm/llvm-project/pull/140679
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@@ -6,41 +6,14 @@
//
//===--===//
-#define _CLC_SHUFFLE2_DECL(TYPE, MASKTYPE, RETTYPE)
\
- _CLC_OVERLOAD _CLC_DECL RETTYPE shuffle2(TYPE x, TYPE y, MASKTYPE mask);
+#define __CLC_
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/140870
This PR fixes ClangTool error in -cc1 mode:
error: unknown argument: '-resource-dir=
>From f5e675f17ea737b0668e626f34d013153368425e Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 21 May 2025 02:08:34 -0700
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/140870
>From f5e675f17ea737b0668e626f34d013153368425e Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 21 May 2025 02:08:34 -0700
Subject: [PATCH 1/2] [ClangTool] Use CC1Option flag resource-dir in
injectResourceDi
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/140679
>From 5015512439f6ba846223b1d04e71d8cdae36d3fa Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Mon, 19 May 2025 22:14:55 -0700
Subject: [PATCH 1/2] [libclc] Re-use shuffle_decl.inc in OpenCL shuffle2
declaration
wenju-he wrote:
> Sure, no problem. You can probably request [commit
> access](https://llvm.org/docs/DeveloperPolicy.html#obtaining-commit-access)
> by now, though.
thanks @frasercrmck
I've requested at https://github.com/llvm/llvm-project/issues/140521, please
help to review, thank you.
ht
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/140870
>From f5e675f17ea737b0668e626f34d013153368425e Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 21 May 2025 02:08:34 -0700
Subject: [PATCH 1/3] [ClangTool] Use CC1Option flag resource-dir in
injectResourceDi
https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/140870
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wenju-he wrote:
> do we know why
> https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Driver/Options.td#L5894-L5901
> doesn't declare _EQ version for cc1?
Git history shows the earliest commit
https://github.com/llvm/llvm-project/commit/f3e624ca73b007552554b31358f4abde9eb2d3b7
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/141721
llvm-diff shows no change to amdgcn--amdhsa.bc
>From 72d456f335d78b8ae7e1d25a0229e9f9f89a466b Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 27 May 2025 23:50:32 -0700
Subject: [PATCH] [libclc] Move prefet
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/142509
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wenju-he wrote:
thank you @nathanchance for the review.
https://github.com/llvm/llvm-project/pull/142509
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/142922
llvm-diff shows no change to amdgcn--amdhsa.bc
>From 42c4efab1a163624d7a3b327742d7e38bb7197b3 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Thu, 5 Jun 2025 01:14:38 -0700
Subject: [PATCH] [NFC][libclc] Simplif
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/143331
NV supports opencl_3d_image_writes according
https://developer.nvidia.com/blog/nvidia-is-now-opencl-3-0-conformant/
This PR allows removing explicit enabling of image extensions via -cl-ext
command line option
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/152275
>From c48a94749e7e4ee261895826f2df2e2c48f040ef Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 6 Aug 2025 11:07:15 +0200
Subject: [PATCH 1/3] [libclc] update __clc_mem_fence: add MemorySemantic arg
and use
@@ -0,0 +1,21 @@
+//===--===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apac
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/150174
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/153137
According to OpenCL spec, native_* functions have implementation-defined
accuracy and typically have better performance. We can enable floating- point
contraction optimizations for them.
>From 719a6914321afc0
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/153784
None
>From c51ac2969099be4831c3d296fffec9e6f4fce780 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 15 Aug 2025 12:37:00 +0200
Subject: [PATCH] [libclc] Fix out-of-bound value for workitem functions
accord
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/152703
>From be71d635d2de980797be595c4f35f307c703bc96 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 8 Aug 2025 05:59:54 -0700
Subject: [PATCH 1/3] [libclc] Fix libclc install on Windows when MSVC
generator is us
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/152703
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152436
Motivation is to upstream use of __ocml_rsqrt_ in
https://github.com/intel/llvm/blob/sycl/libclc/libspirv/lib/amdgcn-amdhsa/math/rsqrt.cl
llvm-diff shows vectorized calls of llvm.sqrt.v2f32 and fdiv are scalari
wenju-he wrote:
@arsenm I'm not sure if the change is an improvement, please review.
https://github.com/llvm/llvm-project/pull/152436
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152463
None
>From 10c997f9de3c2a99b2f7bd507523be901d7c6ee7 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Thu, 7 Aug 2025 00:47:50 -0700
Subject: [PATCH] [NFC][libclc] Delete unused
clc/shared/binary_decl_with_scalar
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/152431
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/152456
Before this PR, PostOrderFunctionAttrsPass in opt run can deduce memory(none)
for these functions.
This PR explicitly adds the attribute to align with Clang's OpenCL headers and
ensures the attribute is prese
wenju-he wrote:
> If you want to use these implementations, I'd rather merge the OCML content
> into libclc and migrate over to using it.
Tag @frasercrmck
The amdgcn implementation probably needs improvement to use llvm elementwise
builtin for e.g. half/float exp*
https://github.com/llvm/llv
wenju-he wrote:
> LGTM if you've tested it and it works 👍
Yes, the fix is verified both locally and in our internal CI.
I also fixed alias install in
https://github.com/llvm/llvm-project/pull/152703/commits/b6cbefcbc06e42d7107723cb5b37749f3b1e0931.
@frasercrmck please review this commit again
@@ -0,0 +1,21 @@
+//===--===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apac
https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/152275
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/154479
>From 75b5f46b2858b399482082eabd1388167aaa58e4 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 20 Aug 2025 07:57:54 +0200
Subject: [PATCH 1/4] [libclc] Only create a target per each compile command
for cmak
@@ -132,6 +124,33 @@ function(link_bc)
)
endfunction()
+# Create a custom target for each bitcode file, which is the output of a custom
+# command. This is required for parallel compilation of the custom commands
that
+# generate the bitcode files when using the CMake MSVC
@@ -92,10 +95,14 @@ else()
get_host_tool_path( llvm-link LLVM_LINK llvm-link_exe llvm-link_target )
get_host_tool_path( opt OPT opt_exe opt_target )
endif()
-endif()
-# Setup the paths where libclc runtimes should be stored.
-set( LIBCLC_OUTPUT_LIBRARY_DIR ${CMAKE_C
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/152463
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https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/152703
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/152703
>From be71d635d2de980797be595c4f35f307c703bc96 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 8 Aug 2025 05:59:54 -0700
Subject: [PATCH 1/2] [libclc] Fix libclc install on Windows when MSVC
generator is us
@@ -92,10 +95,14 @@ else()
get_host_tool_path( llvm-link LLVM_LINK llvm-link_exe llvm-link_target )
get_host_tool_path( opt OPT opt_exe opt_target )
endif()
-endif()
-# Setup the paths where libclc runtimes should be stored.
-set( LIBCLC_OUTPUT_LIBRARY_DIR ${CMAKE_C
https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/146503
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https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/152666
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wenju-he wrote:
sorry, not working, closing PR
https://github.com/llvm/llvm-project/pull/152666
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/152703
>From be71d635d2de980797be595c4f35f307c703bc96 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 8 Aug 2025 05:59:54 -0700
Subject: [PATCH] [libclc] Fix libclc install on Windows when MSVC generator is
used
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/153785
This simplifies downstream refactoring of libspirv workitem function in
https://github.com/intel/llvm/tree/sycl/libclc/libspirv/lib/generic
>From d0a9e7fa683d294aaabf24ccc34cea54a8a5eb1f Mon Sep 17 00:00:00 20
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/153785
>From d0a9e7fa683d294aaabf24ccc34cea54a8a5eb1f Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 15 Aug 2025 12:43:54 +0200
Subject: [PATCH 1/2] [libclc] Implement
__clc_get_local_size/__clc_get_max_sub_group
wenju-he wrote:
https://github.com/llvm/llvm-project/pull/153785/commits/a8fcf405007d05d123f397f66b4139d53586c1b5
is a minor fix to return 1 for out-of-bound dim
https://github.com/llvm/llvm-project/pull/153785
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https://github.com/llvm/llvm-project/pull/153523
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https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/153784
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/154084
Commit 0c21d6b4c8ad fixed sequential build of libclc on Windows by adding a
target for each compile command.
This PR conditionally enables DEPENDS_EXPLICIT_ONLY and requires at least cmake
version 3.27. DEPEND
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/153785
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/157055
>From 84fbdfea1fc1f9d7d61ef388df4d34eb2d0552d0 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 5 Sep 2025 10:41:01 +0200
Subject: [PATCH 1/3] [libclc] Implement erf/erfc vector function with loop
since scal
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/156778
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https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/157055
>From 84fbdfea1fc1f9d7d61ef388df4d34eb2d0552d0 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 5 Sep 2025 10:41:01 +0200
Subject: [PATCH 1/2] [libclc] Implement erf/erfc vector function with loop
since scal
https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/157055
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https://github.com/llvm/llvm-project/pull/157002
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/157002
This partially reverts commit d50f2ef437aeb1784f7556fd63639487f245ffaa because
_CLC_V_V_VP_VECTORIZE is also used in our downstream code:
https://github.com/intel/llvm/blob/0433e4d6f5c9/libclc/libspirv/lib/ptx
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/156378
_CLC_DEF_WEAK can be used in our downstream libclc to allow overriding generic
__clc_tgamma implementation.
>From cc51cd1e096794162a5f3c7be9aa160d83ba2547 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 2
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/156280
clcmacro.h only defines _CLC_V_V_VP_VECTORIZE which is only used in
clc/lib/generic/math/clc_lgamma_r.cl.
>From 4125c7faf2d70b4059da9f56d29024e359307513 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Mon, 1 Se
wenju-he wrote:
kindly ping @arsenm @frasercrmck to review the last commit. It is a renaming
commit.
https://github.com/llvm/llvm-project/pull/152275
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https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/156789
Our downstream libclc add a few more targets that customizes build_flags and
opt_flags. Then in each customization block, MACRO_ARCH is defined to be
${ARCH}.
Hoisting MACRO_ARCH definition out of if-else-end
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/157633
>From 7e2d210d9c6cd20c342562a44c2e4d2cb238e229 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 9 Sep 2025 11:05:02 +0200
Subject: [PATCH 1/2] [libclc] Refine __clc_fp*_subnormals_supported and
__clc_flush_d
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/157633
Remove the dependency on the libclc build-time configuration for
__clc_fp*_subnormals_supported. The check is now implemented with LLVM
intrinsics so it can be resolved during target lowering or at runtime.
I
https://github.com/wenju-he edited
https://github.com/llvm/llvm-project/pull/157633
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https://github.com/llvm/llvm-project/pull/157633
>From 7e2d210d9c6cd20c342562a44c2e4d2cb238e229 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 9 Sep 2025 11:05:02 +0200
Subject: [PATCH 1/4] [libclc] Refine __clc_fp*_subnormals_supported and
__clc_flush_d
https://github.com/wenju-he updated
https://github.com/llvm/llvm-project/pull/157002
>From 8390286ffa32ce98ba39cfbe313d9396ce0572fc Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Fri, 5 Sep 2025 04:47:56 +0200
Subject: [PATCH 1/2] Revert "[NFC][libclc] Move _CLC_V_V_VP_VECTORIZE macro
into clc_
https://github.com/wenju-he created
https://github.com/llvm/llvm-project/pull/157055
This PR reduces amdgcn--amdhsa.bc size by 3% and nvptx64--nvidiacl.bc size by
4%.
Loop trip count is constant and backend can decide whether to unroll.
>From 84fbdfea1fc1f9d7d61ef388df4d34eb2d0552d0 Mon Sep 17
https://github.com/wenju-he closed
https://github.com/llvm/llvm-project/pull/158283
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@@ -66,13 +65,11 @@ bool __attribute__((noinline))
__clc_runtime_has_hw_fma32(void);
#define LOG_MAGIC_NUM_SP32 (1 + NUMEXPBITS_SP32 - EXPBIAS_SP32)
_CLC_OVERLOAD _CLC_INLINE float __clc_flush_denormal_if_not_supported(float x)
{
- int ix = __clc_as_int(x);
- if (!__clc_fp
wenju-he wrote:
> Seems like a cmake bug
Thanks for the review.
AI search show this is expected behavior "Unix Makefiles" generator.
```
The Ninja generator takes a more explicit and proactive approach to ensuring
output directories exist, aligning with its focus on robust and efficient
parall
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https://github.com/llvm/llvm-project/pull/158171
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None
>From d4943f75762951d23833b89e2d54efe31def7d98 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 2 Sep 2025 23:22:50 -0700
Subject: [PATCH] [NFC][libclc] Remove unused -DCLC_INTERNAL build flag, remove
wenju-he wrote:
Unfortunately weak linkage prevents PostOrderFunctionAttrsPass from deducing
attributes for functions that have weak linkage:
https://github.com/llvm/llvm-project/blob/7624c6141974f66f24ea90a18a55a111e98baa40/llvm/lib/Transforms/IPO/FunctionAttrs.cpp#L285
where hasExactDefiniti
wenju-he wrote:
Applying weak attribute to a small set of libclc functions might be acceptable
because libclc will eventually set linkage to linkonce_odr for all functions.
The small set of libclc functions, that were not optimized by
PostOrderFunctionAttrsPass during libclc build, will be opt
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https://github.com/llvm/llvm-project/pull/154479
>From 75b5f46b2858b399482082eabd1388167aaa58e4 Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Wed, 20 Aug 2025 07:57:54 +0200
Subject: [PATCH 1/3] [libclc] Only create a target per each compile command
for cmak
@@ -335,19 +348,28 @@ function(add_libclc_builtin_set)
endif()
endforeach()
+ set( builtins_comp_lib_tgt builtins.comp.${ARG_ARCH_SUFFIX} )
+ if ( CMAKE_GENERATOR MATCHES "Visual Studio" )
wenju-he wrote:
> Perhaps a comment above this to explain what
@@ -132,6 +124,33 @@ function(link_bc)
)
endfunction()
+# Create a custom target for each bitcode file, which is the output of a custom
+# command. This is required for parallel compilation of the custom commands
that
+# generate the bitcode files when using the CMake MSVC
https://github.com/wenju-he created
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libclc sequential build issue addressed in commit 0c21d6b4c8ad is specific to
cmake MSVC generator. Therefore, this PR avoids creating a large number of
targets when a non-MSVC generator is used, such as the N
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>From 12d6bed3abb8bcb0f6be1703d652f26dad993a7f Mon Sep 17 00:00:00 2001
From: Wenju He
Date: Tue, 16 Sep 2025 08:16:27 +0200
Subject: [PATCH 1/2] [libclc] Replace typo _CLC_DECL with _CLC_DEF for
function defi
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