https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/80908
>From 22fd628687652e7f9d8795c48e9f794fdd684c45 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 13 Feb 2024 21:27:17 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
@@ -4185,9 +4185,17 @@ bool SIInstrInfo::isInlineConstant(const MachineOperand
&MO,
case AMDGPU::OPERAND_REG_INLINE_C_V2FP16:
case AMDGPU::OPERAND_REG_INLINE_AC_V2FP16:
return AMDGPU::isInlinableLiteralV2F16(Imm);
+ case AMDGPU::OPERAND_REG_IMM_V2BF16:
+ case AMDGPU:
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/80908
>From 47b96d282d5416f9dd4c41013d44f8865a1a0d31 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 13 Feb 2024 21:34:44 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/80908
>From 7a517eeab81b45616dd7a1511380f4696304375a Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 13 Feb 2024 21:59:52 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
@@ -0,0 +1,8 @@
+# RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -disassemble -show-encoding < %s |
FileCheck %s
+# RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -disassemble -show-encoding < %s |
FileCheck %s
+
+# CHECK: v_dot2_bf16_bf16 v5, v1, v2, 0x42c8
+0x05,0x00,0x67,0xd6,0x01,0x0
shiltian wrote:
> I can't tell what you're trying to fix here. Is this fixing a crash? Or is
> the check redundant? Or is it necessary for some followup change you want to
> make?
Sorry, I should have clearly mentioned that. Yes, it is for my followup change
#80908. In #80908, we changed the
https://github.com/shiltian edited
https://github.com/llvm/llvm-project/pull/84135
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https://github.com/shiltian approved this pull request.
LG with one nit
https://github.com/llvm/llvm-project/pull/84135
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@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -emit-obj -verify -fopenmp %s
shiltian wrote:
`emit-obj` is not needed
https://github.com/llvm/llvm-project/pull/84135
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@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -emit-obj -verify -fopenmp %s
shiltian wrote:
You can use `-emit-llvm` instead.
https://github.com/llvm/llvm-project/pull/84135
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https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/78333
>From 9ae3562ab4a6fb152c2a92f50b72d86711bbad8b Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 23 Jan 2024 12:35:42 -0500
Subject: [PATCH] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation
We
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/78333
>From 5eb2678a0a6a55c2d441b322d4eaaa8fe829a30f Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 23 Jan 2024 16:14:48 -0500
Subject: [PATCH] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation
We
https://github.com/shiltian closed
https://github.com/llvm/llvm-project/pull/78333
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https://github.com/shiltian edited
https://github.com/llvm/llvm-project/pull/77131
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shiltian wrote:
Can you add a test?
https://github.com/llvm/llvm-project/pull/77131
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https://github.com/shiltian created
https://github.com/llvm/llvm-project/pull/78333
We can directly call `clang -c -x cl -target amdgcn -mcpu=gfx90a test.cl -o
test.o`
to compile an OpenCL kernel file. However, when `--save-temps` is enabled, it
doesn't
work because the preprocessed file (`.i`
shiltian wrote:
I'm working on a test case.
https://github.com/llvm/llvm-project/pull/78333
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https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/78333
>From 837a9fd2c1fac7dcdf2c8538e6634eccf36ee7b6 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Fri, 19 Jan 2024 23:46:54 -0500
Subject: [PATCH] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation
We
https://github.com/shiltian ready_for_review
https://github.com/llvm/llvm-project/pull/78333
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Stefan =?utf-8?q?Gränitz?=
Message-ID:
In-Reply-To:
shiltian wrote:
This breaks the build on macOS because the linker doesn't support `--long-plt`.
Please fix it or revert the patch.
https://github.com/llvm/llvm-project/pull/78959
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Stefan =?utf-8?q?Gränitz?=
Message-ID:
In-Reply-To:
shiltian wrote:
> Oh, that's unfortunate. Let me add a check for `LLVM_USE_LINKER=gold`. AFAIK
> it's never used on macOS.
It might be better to check linker flag
(https://cmake.org/cmake/help/latest/module/CheckLinkerFlag.html).
https://
Stefan =?utf-8?q?Gr=C3=A4nitz?=
Message-ID:
In-Reply-To:
shiltian wrote:
> @shiltian Does that fix the issue for you?
Yes, thanks!
https://github.com/llvm/llvm-project/pull/78959
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https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/78333
>From 2fb901b2379290b162647f0b6d152b93df1b1e7f Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Mon, 22 Jan 2024 15:39:19 -0500
Subject: [PATCH] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation
We
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/78333
>From 6770e41a1bf1b2595f162a09c81760314e5061b2 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Tue, 23 Jan 2024 09:27:38 -0500
Subject: [PATCH] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation
We
@@ -0,0 +1,80 @@
+//===-- State.cpp - OpenMP State & ICV interface - C++ -*-===//
+//
+// 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: Apach
https://github.com/shiltian edited
https://github.com/llvm/llvm-project/pull/69806
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shiltian wrote:
Waiting for the evaluation, if possible
https://github.com/llvm/llvm-project/pull/66919
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shiltian wrote:
I'd prefer to split it into at least one front end and one runtime, both with
proper tests.
https://github.com/llvm/llvm-project/pull/66919
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shiltian wrote:
By "ompx infrastructure" do you mean the frond end code?
https://github.com/llvm/llvm-project/pull/66919
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shiltian wrote:
It's fine that it will generate code that cannot be linked, as long as we don't
have runtime use. We just need to check generated IR.
https://github.com/llvm/llvm-project/pull/66919
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shiltian wrote:
Can this stuff really be generic?
https://github.com/llvm/llvm-project/pull/70116
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https://github.com/shiltian edited
https://github.com/llvm/llvm-project/pull/70233
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shiltian wrote:
Can you add a small test to check the error message is correctly emitted? You
can refer to those diagnosis tests under `clang/test/OpenMP`.
https://github.com/llvm/llvm-project/pull/70233
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@@ -1,68 +1,20 @@
-// RUN: %clang_cc1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu
-x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck
-allow-deprecated-dag-overlap %s -check-prefix=CHECK1
-// RUN: %clang_cc1 -fopenmp -fopenmp-targets=powerp
@@ -1,68 +1,20 @@
-// RUN: %clang_cc1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu
-x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - | FileCheck
-allow-deprecated-dag-overlap %s -check-prefix=CHECK1
-// RUN: %clang_cc1 -fopenmp -fopenmp-targets=powerp
Author: Shilei Tian
Date: 2020-09-25T22:10:36-04:00
New Revision: ebb1092a2875739d3e9bb6b1fb230c0e0d88ebff
URL:
https://github.com/llvm/llvm-project/commit/ebb1092a2875739d3e9bb6b1fb230c0e0d88ebff
DIFF:
https://github.com/llvm/llvm-project/commit/ebb1092a2875739d3e9bb6b1fb230c0e0d88ebff.diff
L
Author: Shilei Tian
Date: 2020-10-26T22:33:22-04:00
New Revision: e20d64c3d9d81cad701f31d8481367222c76c787
URL:
https://github.com/llvm/llvm-project/commit/e20d64c3d9d81cad701f31d8481367222c76c787
DIFF:
https://github.com/llvm/llvm-project/commit/e20d64c3d9d81cad701f31d8481367222c76c787.diff
L
Author: Shilei Tian
Date: 2020-10-27T00:02:32-04:00
New Revision: d38788b357ad29083eb3b03027db908559aae2a6
URL:
https://github.com/llvm/llvm-project/commit/d38788b357ad29083eb3b03027db908559aae2a6
DIFF:
https://github.com/llvm/llvm-project/commit/d38788b357ad29083eb3b03027db908559aae2a6.diff
L
Author: Shilei Tian
Date: 2020-10-28T15:53:30-04:00
New Revision: 0661328d7efb81a8ac7f2ca0734a65f9be105f29
URL:
https://github.com/llvm/llvm-project/commit/0661328d7efb81a8ac7f2ca0734a65f9be105f29
DIFF:
https://github.com/llvm/llvm-project/commit/0661328d7efb81a8ac7f2ca0734a65f9be105f29.diff
L
Author: Shilei Tian
Date: 2021-01-23T14:42:38-05:00
New Revision: 5ad038aafa3a07a4491bf12cf6edf2026f3f17d1
URL:
https://github.com/llvm/llvm-project/commit/5ad038aafa3a07a4491bf12cf6edf2026f3f17d1
DIFF:
https://github.com/llvm/llvm-project/commit/5ad038aafa3a07a4491bf12cf6edf2026f3f17d1.diff
L
Author: Shilei Tian
Date: 2021-02-03T20:58:12-05:00
New Revision: 0f0ce3c12edefd25448e39c4d20718a10d3d42c1
URL:
https://github.com/llvm/llvm-project/commit/0f0ce3c12edefd25448e39c4d20718a10d3d42c1
DIFF:
https://github.com/llvm/llvm-project/commit/0f0ce3c12edefd25448e39c4d20718a10d3d42c1.diff
L
Author: Shilei Tian
Date: 2021-09-22T11:40:52-04:00
New Revision: ca999f719117f916b333a794cc8c59984ae40dd2
URL:
https://github.com/llvm/llvm-project/commit/ca999f719117f916b333a794cc8c59984ae40dd2
DIFF:
https://github.com/llvm/llvm-project/commit/ca999f719117f916b333a794cc8c59984ae40dd2.diff
L
Author: Shilei Tian
Date: 2021-09-22T18:17:40-04:00
New Revision: 747b1a67a3dd706ffab9df9ee6f816b75ccaa5b6
URL:
https://github.com/llvm/llvm-project/commit/747b1a67a3dd706ffab9df9ee6f816b75ccaa5b6
DIFF:
https://github.com/llvm/llvm-project/commit/747b1a67a3dd706ffab9df9ee6f816b75ccaa5b6.diff
L
Author: Shilei Tian
Date: 2021-02-20T15:14:13-05:00
New Revision: 33d660939d9acb027f9941f037802936124dad8c
URL:
https://github.com/llvm/llvm-project/commit/33d660939d9acb027f9941f037802936124dad8c
DIFF:
https://github.com/llvm/llvm-project/commit/33d660939d9acb027f9941f037802936124dad8c.diff
L
Author: Shilei Tian
Date: 2021-02-22T11:00:33-05:00
New Revision: 76151acf893ac7bdaf460fdfe8a8494cf477157a
URL:
https://github.com/llvm/llvm-project/commit/76151acf893ac7bdaf460fdfe8a8494cf477157a
DIFF:
https://github.com/llvm/llvm-project/commit/76151acf893ac7bdaf460fdfe8a8494cf477157a.diff
L
Author: Shilei Tian
Date: 2021-03-08T12:03:04-05:00
New Revision: c41ae246ac673e97ec1abdc2b9cbe1989f8682fe
URL:
https://github.com/llvm/llvm-project/commit/c41ae246ac673e97ec1abdc2b9cbe1989f8682fe
DIFF:
https://github.com/llvm/llvm-project/commit/c41ae246ac673e97ec1abdc2b9cbe1989f8682fe.diff
L
Author: Shilei Tian
Date: 2023-01-24T22:49:05-05:00
New Revision: 5ba8ecb6cc7b76e7124566e53a3bce9393763a20
URL:
https://github.com/llvm/llvm-project/commit/5ba8ecb6cc7b76e7124566e53a3bce9393763a20
DIFF:
https://github.com/llvm/llvm-project/commit/5ba8ecb6cc7b76e7124566e53a3bce9393763a20.diff
L
Author: Shilei Tian
Date: 2023-01-11T22:05:42-05:00
New Revision: 6e18277a51187ce8e861cdf0ab1395235e5b83d4
URL:
https://github.com/llvm/llvm-project/commit/6e18277a51187ce8e861cdf0ab1395235e5b83d4
DIFF:
https://github.com/llvm/llvm-project/commit/6e18277a51187ce8e861cdf0ab1395235e5b83d4.diff
L
Author: Shilei Tian
Date: 2023-01-16T22:35:05-05:00
New Revision: ae53c7f4a21104e2eb84139f3ce4c468e2632590
URL:
https://github.com/llvm/llvm-project/commit/ae53c7f4a21104e2eb84139f3ce4c468e2632590
DIFF:
https://github.com/llvm/llvm-project/commit/ae53c7f4a21104e2eb84139f3ce4c468e2632590.diff
L
Author: Shilei Tian
Date: 2023-01-19T22:24:38-05:00
New Revision: 9c2cfaaada66f323d10e25ac961ce1524d7b5f1f
URL:
https://github.com/llvm/llvm-project/commit/9c2cfaaada66f323d10e25ac961ce1524d7b5f1f
DIFF:
https://github.com/llvm/llvm-project/commit/9c2cfaaada66f323d10e25ac961ce1524d7b5f1f.diff
L
Author: Shilei Tian
Date: 2023-01-20T14:40:24-05:00
New Revision: 2ebda47619d7e8b72d460a955de4f398f637489f
URL:
https://github.com/llvm/llvm-project/commit/2ebda47619d7e8b72d460a955de4f398f637489f
DIFF:
https://github.com/llvm/llvm-project/commit/2ebda47619d7e8b72d460a955de4f398f637489f.diff
L
Author: Shilei Tian
Date: 2023-01-20T16:41:03-05:00
New Revision: b561c5c149467c98094c87c0e0d07c3b05f17780
URL:
https://github.com/llvm/llvm-project/commit/b561c5c149467c98094c87c0e0d07c3b05f17780
DIFF:
https://github.com/llvm/llvm-project/commit/b561c5c149467c98094c87c0e0d07c3b05f17780.diff
L
Author: Shilei Tian
Date: 2022-06-01T19:53:43-04:00
New Revision: eb673be5ac8510646692f82a606a1f2c10f24828
URL:
https://github.com/llvm/llvm-project/commit/eb673be5ac8510646692f82a606a1f2c10f24828
DIFF:
https://github.com/llvm/llvm-project/commit/eb673be5ac8510646692f82a606a1f2c10f24828.diff
L
Author: Shilei Tian
Date: 2022-06-02T17:45:02-04:00
New Revision: 3a96256b7e292de15ad57438202aeea4818956ba
URL:
https://github.com/llvm/llvm-project/commit/3a96256b7e292de15ad57438202aeea4818956ba
DIFF:
https://github.com/llvm/llvm-project/commit/3a96256b7e292de15ad57438202aeea4818956ba.diff
L
Author: Shilei Tian
Date: 2022-06-02T21:50:07-04:00
New Revision: b917433835473d5a9dff5b1034e861cf5dc9e5bc
URL:
https://github.com/llvm/llvm-project/commit/b917433835473d5a9dff5b1034e861cf5dc9e5bc
DIFF:
https://github.com/llvm/llvm-project/commit/b917433835473d5a9dff5b1034e861cf5dc9e5bc.diff
L
shiltian wrote:
Since that is an extension, we have to check `getLangOpts().OpenMPExtensions`.
https://github.com/llvm/llvm-project/pull/66919
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@@ -347,10 +347,6 @@ if(LIBOMP_OMPD_SUPPORT AND ((NOT LIBOMP_OMPT_SUPPORT) OR
(NOT "${CMAKE_SYSTEM_NA
set(LIBOMP_OMPD_SUPPORT FALSE)
endif()
-# OMPX Taskgraph support
shiltian wrote:
I'm not sure if I asked it before, but if possible can we run some task
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+// RUN: %clang_cc1 -verify -fopenmp-simd %s
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-targets=nvptx64 %s
+
+void foo() {
+}
+
+void bar() {
+#pragma omp target ompx_bare // expected-error {{unexpected OpenMP clause
'om
https://github.com/shiltian resolved
https://github.com/llvm/llvm-project/pull/66844
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shiltian wrote:
If I don't build GPU libc, will it cause a link error?
https://github.com/llvm/llvm-project/pull/67557
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@@ -347,10 +347,6 @@ if(LIBOMP_OMPD_SUPPORT AND ((NOT LIBOMP_OMPT_SUPPORT) OR
(NOT "${CMAKE_SYSTEM_NA
set(LIBOMP_OMPD_SUPPORT FALSE)
endif()
-# OMPX Taskgraph support
shiltian wrote:
The easiest one off the top of my head is SPEC OMP 2012.
https://github.
@@ -752,27 +751,41 @@ void CGOpenMPRuntimeGPU::emitNonSPMDKernel(const
OMPExecutableDirective &D,
EntryFunctionState EST;
WrapperFunctionsMap.clear();
+ bool IsBareKernel = D.getSingleClause();
shiltian wrote:
So `target teams` is generic mode. Since we
shiltian wrote:
> Where is the code that prevents the init/deinit calls from being created?
It's in the early exit.
https://github.com/llvm/llvm-project/pull/66844
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shiltian wrote:
Can we have a test?
https://github.com/llvm/llvm-project/pull/67679
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https://github.com/shiltian approved this pull request.
https://github.com/llvm/llvm-project/pull/67679
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@@ -752,27 +751,41 @@ void CGOpenMPRuntimeGPU::emitNonSPMDKernel(const
OMPExecutableDirective &D,
EntryFunctionState EST;
WrapperFunctionsMap.clear();
+ bool IsBareKernel = D.getSingleClause();
shiltian wrote:
I made the change in the parent scope such
https://github.com/shiltian resolved
https://github.com/llvm/llvm-project/pull/66844
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Author: Shilei Tian
Date: 2023-09-29T14:38:34-04:00
New Revision: 7a80a5d3b7d131e87aee3491b2ebc1406488caa4
URL:
https://github.com/llvm/llvm-project/commit/7a80a5d3b7d131e87aee3491b2ebc1406488caa4
DIFF:
https://github.com/llvm/llvm-project/commit/7a80a5d3b7d131e87aee3491b2ebc1406488caa4.diff
L
https://github.com/shiltian created
https://github.com/llvm/llvm-project/pull/68373
This patch makes `num_teams` and `thread_limit` mandatory for bare kernels,
similar to a reguar kernel language that when launching a kernel, the grid size
has to be set explicitly.
>From 3f88ed4ca8df5e0432afda
shiltian wrote:
> Does `thread_limit` directly imply the number of threads? I thought that it
> merely set an upper bound such that it cannot be increased beyond that via
> environment variables.
Based on the spec, yes. However, here since `ompx_bare` is an extension, we can
redefine semantic
shiltian wrote:
> I think the follow up, to force the user bound for bare kernels, make sense.
> I am not sold on this patch though. Why would we disallow users to do the
> same looping we do in the deviceRTL while hoping the offload runtime will
> pick a good grid size?
Because we don't have
@@ -0,0 +1,161 @@
+/*
+ * DRB006-indirectaccess2-orig-yes.c -- Archer testcase
+ */
+//===--===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+//
+// See tools/archer/LIC
https://github.com/shiltian review_requested
https://github.com/llvm/llvm-project/pull/65483
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https://github.com/shiltian created
https://github.com/llvm/llvm-project/pull/65862:
The front end doesn't create captured region for unroll directive. This leads to
a crash when `-fopenmp-simd` is used, as reported in #63570.
Fix #63570.
>From 7ba55161a5d24e9d67c00696bca9e4d06b907689 Mon Sep
https://github.com/shiltian review_requested
https://github.com/llvm/llvm-project/pull/65862
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Author: Shilei Tian
Date: 2023-06-28T11:07:29-04:00
New Revision: 00971f08604b29437af806263737a131bab1cf49
URL:
https://github.com/llvm/llvm-project/commit/00971f08604b29437af806263737a131bab1cf49
DIFF:
https://github.com/llvm/llvm-project/commit/00971f08604b29437af806263737a131bab1cf49.diff
L
Author: Shilei Tian
Date: 2023-05-25T20:19:07-04:00
New Revision: b8e3077d60de73ddcb1511a68af3fdd37fe81cf7
URL:
https://github.com/llvm/llvm-project/commit/b8e3077d60de73ddcb1511a68af3fdd37fe81cf7
DIFF:
https://github.com/llvm/llvm-project/commit/b8e3077d60de73ddcb1511a68af3fdd37fe81cf7.diff
L
Author: Shilei Tian
Date: 2023-05-25T20:40:57-04:00
New Revision: eaf3de6970fc6e779310a59fbf8f8452f6b34c55
URL:
https://github.com/llvm/llvm-project/commit/eaf3de6970fc6e779310a59fbf8f8452f6b34c55
DIFF:
https://github.com/llvm/llvm-project/commit/eaf3de6970fc6e779310a59fbf8f8452f6b34c55.diff
L
Author: Shilei Tian
Date: 2023-05-25T22:12:16-04:00
New Revision: 12d840375d5a81e9ce1050354371c550669de2d7
URL:
https://github.com/llvm/llvm-project/commit/12d840375d5a81e9ce1050354371c550669de2d7
DIFF:
https://github.com/llvm/llvm-project/commit/12d840375d5a81e9ce1050354371c550669de2d7.diff
L
shiltian wrote:
> Don't see how that could be related; you can losslessly bitconvert between
> i16 and bfloat
Yes, `canLosslesslyBitCastTo` doesn't allow cast between `i16` and `bfloat`,
but it does between two vectors, as long as their sizes are the same.
> A cast between float and int sound
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/80908
>From 1488b4e54982be4d3f5bc7f35617effcab52be48 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Wed, 14 Feb 2024 09:41:00 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
https://github.com/shiltian closed
https://github.com/llvm/llvm-project/pull/81669
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>From 784670dd98c3727d8d8aa25f865b7b299f114bf4 Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Wed, 14 Feb 2024 13:11:01 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/80908
>From 9fbb1e610b0de65ae51bb90bd35146b5f927a46a Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Thu, 15 Feb 2024 19:13:44 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
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shiltian wrote:
I'll create a ticket about the decoder.
https://github.com/llvm/llvm-project/pull/80908
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shiltian wrote:
IMHO I prefer to ask/request users to do the right thing. Vendors are totally
free to do whatever to be convenient for their customers via their compiler
wrappers/drivers, but for the community version, following the convention would
be good.
https://github.com/llvm/llvm-proje
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>From d95e99ebcefa76ba2e8068f663be86340c14ab5b Mon Sep 17 00:00:00 2001
From: Shilei Tian
Date: Fri, 16 Feb 2024 11:29:47 -0500
Subject: [PATCH] [RFC][WIP][AMDGPU] Use `bf16` instead of `i16` for bfloat
Current
@@ -157,6 +157,27 @@ static uint32_t getLit16Encoding(uint16_t Val, const
MCSubtargetInfo &STI) {
return 255;
}
+static uint32_t getLitBF16Encoding(uint16_t Val) {
+ uint16_t IntImm = getIntInlineImmEncoding(static_cast(Val));
+ if (IntImm != 0)
+return IntImm;
+
+ /
@@ -0,0 +1,8 @@
+// RUN: llvm-mc -arch=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck %s
+// RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -show-encoding %s | FileCheck %s
+
+v_dot2_bf16_bf16 v5, v1, v2, 100.0
+// CHECK: v_dot2_bf16_bf16 v5, v1, v2, 0x42c8 ; encoding:
[0x05,0x00,0x
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