@@ -1352,20 +1352,43 @@ static void AddParamAndFnBasicAttributes(const CallBase
,
auto = CalledFunction->getContext();
// Collect valid attributes for all params.
- SmallVector ValidParamAttrs;
+ SmallVector ValidObjParamAttrs, ValidExactParamAttrs;
bool
@@ -1352,20 +1352,43 @@ static void AddParamAndFnBasicAttributes(const CallBase
,
auto = CalledFunction->getContext();
// Collect valid attributes for all params.
- SmallVector ValidParamAttrs;
+ SmallVector ValidObjParamAttrs, ValidExactParamAttrs;
bool
@@ -1383,15 +1406,54 @@ static void AddParamAndFnBasicAttributes(const CallBase
,
AttributeList AL = NewInnerCB->getAttributes();
for (unsigned I = 0, E = InnerCB->arg_size(); I < E; ++I) {
// Check if the underlying value for the parameter is an argument.
@@ -1352,20 +1352,43 @@ static void AddParamAndFnBasicAttributes(const CallBase
,
auto = CalledFunction->getContext();
// Collect valid attributes for all params.
- SmallVector ValidParamAttrs;
+ SmallVector ValidObjParamAttrs, ValidExactParamAttrs;
bool
https://github.com/dtcxzyw commented:
Oops I forgot to submit my review comment :(
https://github.com/llvm/llvm-project/pull/91101
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=?utf-8?b?6YOd5bq36L6+?=
Message-ID:
In-Reply-To:
@@ -0,0 +1,1489 @@
+//==- RISCVSchedXiangShanKunMingHu.td - XiangShanKunMingHu Scheduling Defs -*-
tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See
=?utf-8?b?6YOd5bq36L6+?=
Message-ID:
In-Reply-To:
@@ -0,0 +1,1489 @@
+//==- RISCVSchedXiangShanKunMingHu.td - XiangShanKunMingHu Scheduling Defs -*-
tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See
=?utf-8?b?6YOd5bq36L6+?=
Message-ID:
In-Reply-To:
@@ -0,0 +1,1489 @@
+//==- RISCVSchedXiangShanKunMingHu.td - XiangShanKunMingHu Scheduling Defs -*-
tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See
=?utf-8?b?6YOd5bq36L6+?=
Message-ID:
In-Reply-To:
@@ -0,0 +1,1489 @@
+//==- RISCVSchedXiangShanKunMingHu.td - XiangShanKunMingHu Scheduling Defs -*-
tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See
=?utf-8?b?6YOd5bq36L6+?=
Message-ID:
In-Reply-To:
@@ -378,3 +378,31 @@ def XIANGSHAN_NANHU :
RISCVProcessorModel<"xiangshan-nanhu",
TuneZExtHFusion,
TuneZExtWFusion,
https://github.com/dtcxzyw closed
https://github.com/llvm/llvm-project/pull/88776
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@@ -378,3 +378,30 @@ def XIANGSHAN_NANHU :
RISCVProcessorModel<"xiangshan-nanhu",
TuneZExtHFusion,
TuneZExtWFusion,
TuneShiftedZExtWFusion]>;
dtcxzyw wrote:
> Isn't the warning about a mismatch between declaration and definition, not
> call args? The InstCombine change does make the definition and declaration
> match.
> […](#)
> On Fri, Apr 19, 2024, at 17:07, Mehdi Amini wrote: ***@***. commented on
> this pull request. In
@@ -433,7 +433,7 @@ class LLVM_LIBRARY_VISIBILITY InstCombinerImpl final
Value *foldAndOrOfICmpsOfAndWithPow2(ICmpInst *LHS, ICmpInst *RHS,
Instruction *CxtI, bool IsAnd,
bool IsLogical = false);
-
https://github.com/dtcxzyw requested changes to this pull request.
https://github.com/llvm/llvm-project/pull/89294
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@@ -1964,11 +1964,25 @@ Instruction *InstCombinerImpl::visitFPToSI(FPToSIInst
) {
}
Instruction *InstCombinerImpl::visitUIToFP(CastInst ) {
- return commonCastTransforms(CI);
+ if (Instruction *R = commonCastTransforms(CI))
+return R;
+ if (!CI.hasNonNeg() &&
https://github.com/dtcxzyw closed
https://github.com/llvm/llvm-project/pull/85863
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dtcxzyw wrote:
> Looks like the clang build is failing again?
Done.
https://github.com/llvm/llvm-project/pull/85863
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https://github.com/dtcxzyw updated
https://github.com/llvm/llvm-project/pull/85863
>From 9b725ffdb93b3029263129063d021063783f9cd9 Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Thu, 21 Mar 2024 21:10:46 +0800
Subject: [PATCH 1/4] [ValueTracking] Add pre-commit tests. NFC.
---
https://github.com/dtcxzyw closed
https://github.com/llvm/llvm-project/pull/87910
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https://github.com/dtcxzyw approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/88299
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@@ -1964,11 +1964,25 @@ Instruction *InstCombinerImpl::visitFPToSI(FPToSIInst
) {
}
Instruction *InstCombinerImpl::visitUIToFP(CastInst ) {
- return commonCastTransforms(CI);
+ if (Instruction *R = commonCastTransforms(CI))
+return R;
+ if (!CI.hasNonNeg() &&
dtcxzyw wrote:
Please send this PR to your downstream fork
https://github.com/x-codingman/llvm-project.
https://github.com/llvm/llvm-project/pull/87187
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@@ -897,7 +897,20 @@ Instruction *InstCombinerImpl::visitTrunc(TruncInst
) {
}
}
- return nullptr;
+ bool Changed = false;
+ if (!Trunc.hasNoSignedWrap() &&
+ ComputeMaxSignificantBits(Src, /*Depth=*/0, ) <= DestWidth) {
+Trunc.setHasNoSignedWrap(true);
+
@@ -897,7 +897,20 @@ Instruction *InstCombinerImpl::visitTrunc(TruncInst
) {
}
}
- return nullptr;
+ bool Changed = false;
+ if (!Trunc.hasNoSignedWrap() &&
+ ComputeMaxSignificantBits(Src, /*Depth=*/0, ) <= DestWidth) {
+Trunc.setHasNoSignedWrap(true);
+
@@ -897,7 +897,20 @@ Instruction *InstCombinerImpl::visitTrunc(TruncInst
) {
}
}
- return nullptr;
+ bool Changed = false;
+ if (!Trunc.hasNoSignedWrap() &&
+ ComputeMaxSignificantBits(Src, /*Depth=*/0, ) <= DestWidth) {
+Trunc.setHasNoSignedWrap(true);
+
dtcxzyw wrote:
> Can you please fix the clang build?
Done.
https://github.com/llvm/llvm-project/pull/85863
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https://github.com/llvm/llvm-project/pull/85863
>From bacdc24af088560a986028824a0ac43e929c2f1b Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Thu, 21 Mar 2024 21:10:46 +0800
Subject: [PATCH 1/2] [ValueTracking] Add pre-commit tests. NFC.
---
dtcxzyw wrote:
> Apart from the correctness issues, we've seen some regressions on various
> benchmarks from LLVM Test Suite after this patch. Specifically, around 3-5%
> regression on x86-64 in various metrics of the
>
dtcxzyw wrote:
> This is a very niche feature, and I don't think trying to upgrade it is
> worthwhile.
It exists in many real-world applications. If you are not willing to implement
the upgrader, I will do this for the original IR files in my benchmark :)
dtcxzyw wrote:
> bin/opt: ../../llvm-opt-benchmark/bench/icu/original/servlkf.ll:776:98:
> error: expected ')' in constantexpr
store ptr getelementptr inbounds ({ [11 x ptr] }, ptr
@_ZTVN6icu_7516LocaleKeyFactoryE, i32 0, inrange i32 0, i32 2), ptr %this1,
align 8
@nikic Do we need an
https://github.com/dtcxzyw approved this pull request.
https://github.com/llvm/llvm-project/pull/83896
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@@ -60,6 +60,8 @@
// CHECK-NOT: __riscv_xsfvfwmaccqqq {{.*$}}
// CHECK-NOT: __riscv_xsfqmaccdod {{.*$}}
// CHECK-NOT: __riscv_xsfvqmaccqoq {{.*$}}
+// CHECK-NOT: __riscv_sifivecdiscarddlone {{.*$}}
+// CHECK-NOT: __riscv_sifivecflushdlone {{.*$}}
dtcxzyw
https://github.com/dtcxzyw approved this pull request.
LGTM. Nice catch!
Related patch: https://github.com/llvm/llvm-project/pull/79399
https://github.com/llvm/llvm-project/pull/83831
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@@ -839,6 +860,33 @@ RISCVISAInfo::parseArchString(StringRef Arch, bool
EnableExperimentalExtension,
"string must be lowercase");
}
+ bool IsProfile = Arch.starts_with("rvi") || Arch.starts_with("rva") ||
+
https://github.com/dtcxzyw approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/83195
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https://github.com/llvm/llvm-project/pull/81727
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dtcxzyw wrote:
Can we implement this in `computeKnownBitsFromOperator/getRangeForIntrinsic`?
https://github.com/llvm/llvm-project/blob/b21e3282864c9f7ad656c64bc375f5869ef76d19/llvm/lib/Analysis/ValueTracking.cpp#L1578-L1584
https://github.com/llvm/llvm-project/pull/79975
https://github.com/dtcxzyw approved this pull request.
LGTM. Thanks!
https://github.com/llvm/llvm-project/pull/74056
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@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
dtcxzyw wrote:
> > I don't know why it fails:
> > ```
> > error: patch failed:
> > llvm/lib/Transforms/InstCombine/InstCombineInternal.h:551
> > error: llvm/lib/Transforms/InstCombine/InstCombineInternal.h: patch does
> > not apply
> > error: patch failed:
> >
@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
https://github.com/dtcxzyw requested changes to this pull request.
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@@ -1877,3 +1877,139 @@ Value
*InstCombinerImpl::SimplifyDemandedVectorElts(Value *V,
return MadeChange ? I : nullptr;
}
+
+/// For floating-point classes that resolve to a single bit pattern, return
that
+/// value.
+static Constant *getFPClassConstant(Type *Ty,
https://github.com/dtcxzyw edited
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dtcxzyw wrote:
> > @arsenm Can you rebase this patch first?
>
> It was already fresh, I just re-merged again with no conflicts
I don't know why it fails:
```
error: patch failed: llvm/lib/Transforms/InstCombine/InstCombineInternal.h:551
error:
dtcxzyw wrote:
@arsenm Can you rebase this patch first?
https://github.com/llvm/llvm-project/pull/74056
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dtcxzyw wrote:
> @dtcxzyw are you planning on a codegen patch to improve the backend handling?
I will post a patch this week.
https://github.com/llvm/llvm-project/pull/76338
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@@ -1612,6 +1613,14 @@
// RUN: -o - | FileCheck --check-prefix=CHECK-SUPM-EXT %s
// CHECK-SUPM-EXT: __riscv_supm 8000{{$}}
+// RUN: %clang --target=riscv32 -menable-experimental-extensions \
+// RUN: -march=rv32i_ssqosid1p0 -E -dM %s \
+// RUN: -o - | FileCheck
https://github.com/dtcxzyw closed
https://github.com/llvm/llvm-project/pull/80409
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https://github.com/dtcxzyw created
https://github.com/llvm/llvm-project/pull/80409
According to the C++ standard, `dynamic_cast` of pointers either returns a
pointer (7.6.1.7) or results in undefined behavior (11.9.5). This patch marks
`__dynamic_cast` as `willreturn` to remove unused calls.
dtcxzyw wrote:
> I guess Zaamo + Zacas is technically a way one could implement atomics
> without LR/SC?
The Zacas extension depends upon the A extension.
https://github.com/llvm/llvm-project/pull/77424
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dtcxzyw wrote:
Ping?
https://github.com/llvm/llvm-project/pull/68882
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@@ -463,7 +464,7 @@ void
RISCVIntrinsicManagerImpl::CreateRVVIntrinsicDecl(LookupResult ,
bool RISCVIntrinsicManagerImpl::CreateIntrinsicIfFound(LookupResult ,
IdentifierInfo *II,
@@ -0,0 +1,11 @@
+# RUN: not llvm-mc -triple riscv32 -mattr=+experimental-zaamo < %s 2>&1 |
FileCheck %s
dtcxzyw wrote:
Can we split `rv32a-invalid.s` into two files? I think it is better than
duplicating tests for new extensions.
https://github.com/dtcxzyw closed
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dtcxzyw wrote:
Ping.
https://github.com/llvm/llvm-project/pull/68485
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dtcxzyw wrote:
> Can you please fix or revert
> https://lab.llvm.org/buildbot/#/builders/74/builds/24592 ?
Should be fixed by
https://github.com/llvm/llvm-project/commit/7e405eb722e40c79b7726201d0f76b5dab34ba0f.
https://lab.llvm.org/buildbot/#/builders/74/builds/24613
dtcxzyw wrote:
> > Yeah, we should skip this inference for functions with the sanitize_memory
> > attribute.
>
> I will post a patch later.
Candidate patch: https://github.com/llvm/llvm-project/pull/76691
https://github.com/llvm/llvm-project/pull/76553
dtcxzyw wrote:
> Yeah, we should skip this inference for functions with the sanitize_memory
> attribute.
I will post a patch later.
https://github.com/llvm/llvm-project/pull/76553
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dtcxzyw wrote:
> Can you please fix or revert
> https://lab.llvm.org/buildbot/#/builders/74/builds/24592 ?
Thank you for reporting this! I will check the error log.
https://github.com/llvm/llvm-project/pull/76553
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https://github.com/dtcxzyw closed
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https://github.com/dtcxzyw updated
https://github.com/llvm/llvm-project/pull/76553
>From 30dcc33c4ea3ab50397a7adbe85fe977d4a400bd Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Fri, 29 Dec 2023 14:27:22 +0800
Subject: [PATCH 1/2] [FuncAttrs] Add pre-commit tests. NFC.
---
dtcxzyw wrote:
> Failed Tests (3):
LLVM :: CodeGen/BPF/loop-exit-cond.ll
LLVM :: CodeGen/NVPTX/nvvm-reflect-opaque.ll
LLVM :: CodeGen/NVPTX/nvvm-reflect.ll
https://github.com/llvm/llvm-project/pull/76553
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dtcxzyw wrote:
> There are lld test failures.
Done.
https://github.com/llvm/llvm-project/pull/76553
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https://github.com/dtcxzyw updated
https://github.com/llvm/llvm-project/pull/76553
>From 30dcc33c4ea3ab50397a7adbe85fe977d4a400bd Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Fri, 29 Dec 2023 14:27:22 +0800
Subject: [PATCH 1/2] [FuncAttrs] Add pre-commit tests. NFC.
---
https://github.com/dtcxzyw updated
https://github.com/llvm/llvm-project/pull/76553
>From 30dcc33c4ea3ab50397a7adbe85fe977d4a400bd Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Fri, 29 Dec 2023 14:27:22 +0800
Subject: [PATCH 1/2] [FuncAttrs] Add pre-commit tests. NFC.
---
@@ -0,0 +1,112 @@
+// RUN: %clang -### -c %s 2>&1 -march=rvi20u32 | FileCheck
-check-prefix=RVI20U32 %s
+// RVI20U32: "-target-cpu" "generic-rv32"
+// RVI20U32: "-target-feature" "-a"
+// RVI20U32: "-target-feature" "-c"
+// RVI20U32: "-target-feature" "-d"
+// RVI20U32:
@@ -206,6 +210,17 @@ static const RISCVSupportedExtension
SupportedExperimentalExtensions[] = {
{"zvfbfwma", RISCVExtensionVersion{0, 8}},
};
+static const RISCVProfile SupportedProfiles[] = {
+{"rvi20u32", "rv32i"},
dtcxzyw wrote:
Profile names
https://github.com/dtcxzyw created
https://github.com/llvm/llvm-project/pull/76553
This patch deduces `noundef` attributes for return values.
IIUC, a function returns `noundef` values iff all of its return values are
guaranteed not to be `undef` or `poison`.
Definition of `noundef` from
https://github.com/dtcxzyw closed
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dtcxzyw wrote:
> There is a failing clang test.
Fixed.
https://github.com/llvm/llvm-project/pull/76372
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https://github.com/llvm/llvm-project/pull/76372
>From 5ceb22715cdcfc52b77b451110295ea083c09327 Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Tue, 26 Dec 2023 05:10:06 +0800
Subject: [PATCH] [FuncAttrs] Infer `norecurse` for funcs with calls to
https://github.com/dtcxzyw updated
https://github.com/llvm/llvm-project/pull/76338
>From a646e872e72bab7b143db7496adfeb633b882dc4 Mon Sep 17 00:00:00 2001
From: Yingwei Zheng
Date: Mon, 25 Dec 2023 01:39:27 +0800
Subject: [PATCH] Revert "InstCombine: Fold is.fpclass(x, fcInf) to fabs+fcmp"
https://github.com/dtcxzyw closed
https://github.com/llvm/llvm-project/pull/76289
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https://github.com/dtcxzyw created
https://github.com/llvm/llvm-project/pull/76289
This patch adds support for `__riscv_clmulr_32/64` in `riscv_bitmanip.h`.
It also fixes the extension requirements of `clmul/clmulh`.
Thank @Liaoshihua for reporting this!
>From
https://github.com/dtcxzyw created
https://github.com/llvm/llvm-project/pull/76286
This patch replaces `__builtin_riscv_cpop_32/64` with `__builtin_popcount(ll)`
because `__builtin_riscv_cpop_32/64` is not implemented in clang.
Thank @Liaoshihua for reporting this!
It is an alternative to
https://github.com/dtcxzyw created
https://github.com/llvm/llvm-project/pull/76256
This patch adds support for `__builtin_riscv_cpop_32/64`, which are used by
`riscv_bitmanip.h`.
See also
dtcxzyw wrote:
> arrayidx
We should teach `foldCmpLoadFromIndexedGlobal` to handle constant GEPs with i8
source element type.
https://github.com/llvm/llvm-project/pull/68882
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dtcxzyw wrote:
> @nikic Could you please have a look at
> [dtcxzyw/llvm-opt-benchmark#17](https://github.com/dtcxzyw/llvm-opt-benchmark/pull/17)?
> One regression:
>
> ```
> diff --git a/bench/brotli/optimized/compound_dictionary.c.ll
> b/bench/brotli/optimized/compound_dictionary.c.ll
>
dtcxzyw wrote:
An unique regression:
```
diff --git a/bench/openssl/optimized/hexstr_test-bin-hexstr_test.ll
b/bench/openssl/optimized/hexstr_test-bin-hexstr_test.ll
index 534c0a07..85a097fc 100644
--- a/bench/openssl/optimized/hexstr_test-bin-hexstr_test.ll
+++
dtcxzyw wrote:
> @dtcxzyw GitHub can't display the diff, and struggles to clone the repo. Can
> you share the diffs for just the mentioned files?
I have posted the diff between optimized IRs.
https://github.com/llvm/llvm-project/pull/68882
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dtcxzyw wrote:
Another example:
```
diff --git a/bench/hermes/optimized/Sorting.cpp.ll
b/bench/hermes/optimized/Sorting.cpp.ll
index 1a808c47..e03089ca 100644
--- a/bench/hermes/optimized/Sorting.cpp.ll
+++ b/bench/hermes/optimized/Sorting.cpp.ll
@@ -41,20 +41,22 @@ if.end:
dtcxzyw wrote:
@nikic Could you please have a look at
https://github.com/dtcxzyw/llvm-opt-benchmark/pull/17?
One regression:
```
diff --git a/bench/brotli/optimized/compound_dictionary.c.ll
b/bench/brotli/optimized/compound_dictionary.c.ll
index 21fd37fd..b9894810 100644
---
dtcxzyw wrote:
Ping.
https://github.com/llvm/llvm-project/pull/68485
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dtcxzyw wrote:
I guess you should split it into patch series.
+ [ ] MC support (and docs)
+ [ ] Sched support
+ [ ] ISel support
+ [ ] Builtin intrinsic support in clang
https://github.com/llvm/llvm-project/pull/74824
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https://github.com/dtcxzyw approved this pull request.
The regression in `Shootout-C++-ary2` may be caused by ThinLTO. But I think it
is OK to go ahead and merge :)
https://github.com/llvm/llvm-project/pull/73662
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dtcxzyw wrote:
Looks like the regression in `DILATE` has been addressed.
Could you please have a look at
`MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec/mpeg2decode`?
https://github.com/llvm/llvm-project/pull/73662
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dtcxzyw wrote:
Could you please rebase this patch on
https://github.com/llvm/llvm-project/pull/74246 and add a test for
https://github.com/llvm/llvm-project/issues/74242?
https://github.com/llvm/llvm-project/pull/73662
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