subject:"\[PATCH\] D34846\: Remove Clang support for '\-fvectorize\-slp\-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed "

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Chandler Carruth via Phabricator via cfe-commits

This revision was automatically updated to reflect the committed changes.
Closed by commit rL306786: Remove Clang support for 
'-fvectorize-slp-aggressive' which used LLVM's (authored by chandlerc).

Repository:
  rL LLVM

https://reviews.llvm.org/D34846

Files:
  cfe/trunk/include/clang/Driver/CC1Options.td
  cfe/trunk/include/clang/Driver/Options.td
  cfe/trunk/include/clang/Frontend/CodeGenOptions.def
  cfe/trunk/lib/CodeGen/BackendUtil.cpp
  cfe/trunk/lib/Driver/ToolChains/Clang.cpp
  cfe/trunk/lib/Frontend/CompilerInvocation.cpp
  cfe/trunk/test/Driver/clang_f_opts.c


Index: cfe/trunk/lib/CodeGen/BackendUtil.cpp
===
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp
@@ -492,7 +492,6 @@
 
   PMBuilder.OptLevel = CodeGenOpts.OptimizationLevel;
   PMBuilder.SizeLevel = CodeGenOpts.OptimizeSize;
-  PMBuilder.BBVectorize = CodeGenOpts.VectorizeBB;
   PMBuilder.SLPVectorize = CodeGenOpts.VectorizeSLP;
   PMBuilder.LoopVectorize = CodeGenOpts.VectorizeLoop;
 
Index: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
===
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp
@@ -4127,11 +4127,6 @@
options::OPT_fno_slp_vectorize, EnableSLPVec))
 CmdArgs.push_back("-vectorize-slp");
 
-  // -fno-slp-vectorize-aggressive is default.
-  if (Args.hasFlag(options::OPT_fslp_vectorize_aggressive,
-   options::OPT_fno_slp_vectorize_aggressive, false))
-CmdArgs.push_back("-vectorize-slp-aggressive");
-
   if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
 A->render(Args, CmdArgs);
 
Index: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
===
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp
@@ -672,7 +672,6 @@
 
   Opts.MSVolatile = Args.hasArg(OPT_fms_volatile);
 
-  Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
   Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
   Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
 
Index: cfe/trunk/include/clang/Driver/Options.td
===
--- cfe/trunk/include/clang/Driver/Options.td
+++ cfe/trunk/include/clang/Driver/Options.td
@@ -1405,9 +1405,6 @@
 def fslp_vectorize : Flag<["-"], "fslp-vectorize">, Group,
   HelpText<"Enable the superword-level parallelism vectorization passes">;
 def fno_slp_vectorize : Flag<["-"], "fno-slp-vectorize">, Group;
-def fslp_vectorize_aggressive : Flag<["-"], "fslp-vectorize-aggressive">, 
Group,
-  HelpText<"Enable the BB vectorization passes">;
-def fno_slp_vectorize_aggressive : Flag<["-"], 
"fno-slp-vectorize-aggressive">, Group;
 def : Flag<["-"], "ftree-slp-vectorize">, Alias;
 def : Flag<["-"], "fno-tree-slp-vectorize">, Alias;
 def Wlarge_by_value_copy_def : Flag<["-"], "Wlarge-by-value-copy">,
Index: cfe/trunk/include/clang/Driver/CC1Options.td
===
--- cfe/trunk/include/clang/Driver/CC1Options.td
+++ cfe/trunk/include/clang/Driver/CC1Options.td
@@ -268,8 +268,6 @@
   HelpText<"Run the Loop vectorization passes">;
 def vectorize_slp : Flag<["-"], "vectorize-slp">,
   HelpText<"Run the SLP vectorization passes">;
-def vectorize_slp_aggressive : Flag<["-"], "vectorize-slp-aggressive">,
-  HelpText<"Run the BB vectorization passes">;
 def dependent_lib : Joined<["--"], "dependent-lib=">,
   HelpText<"Add dependent library">;
 def linker_option : Joined<["--"], "linker-option=">,
Index: cfe/trunk/include/clang/Frontend/CodeGenOptions.def
===
--- cfe/trunk/include/clang/Frontend/CodeGenOptions.def
+++ cfe/trunk/include/clang/Frontend/CodeGenOptions.def
@@ -179,7 +179,6 @@
 CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
 CODEGENOPT(UnsafeFPMath  , 1, 0) ///< Allow unsafe floating point optzns.
 CODEGENOPT(UnwindTables  , 1, 0) ///< Emit unwind tables.
-CODEGENOPT(VectorizeBB   , 1, 0) ///< Run basic block vectorizer.
 CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
 CODEGENOPT(VectorizeSLP  , 1, 0) ///< Run SLP vectorizer.
 
Index: cfe/trunk/test/Driver/clang_f_opts.c
===
--- cfe/trunk/test/Driver/clang_f_opts.c
+++ cfe/trunk/test/Driver/clang_f_opts.c
@@ -178,13 +178,6 @@
 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
 
-// RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive 
-fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-a

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Richard Smith - zygoloid via Phabricator via cfe-commits

rsmith accepted this revision.
rsmith added a comment.
This revision is now accepted and ready to land.

LGTM

Per discussion on IRC, a follow-up patch from @nbjoerg will add the flag back 
with it just producing a warning that the flag has been removed and has no 
effect. While the usage of the driver flag is very low, the cost of keeping it 
around for compatibility is minuscule.


https://reviews.llvm.org/D34846



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[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Chandler Carruth via Phabricator via cfe-commits

chandlerc requested review of this revision.
chandlerc added a comment.

In https://reviews.llvm.org/D34846#796102, @rsmith wrote:

> Removing a `-cc1` flag is OK: we explicitly tell people that the `-cc1` 
> interface is subject to change without notice.

What do you think about this now that it is a main flag?

https://reviews.llvm.org/D34846

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[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Chandler Carruth via Phabricator via cfe-commits

chandlerc updated this revision to Diff 104775.
chandlerc added a comment.

Remove the rest of the flag handling that I missed the first time grepping 
through...


https://reviews.llvm.org/D34846

Files:
  include/clang/Driver/CC1Options.td
  include/clang/Driver/Options.td
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/BackendUtil.cpp
  lib/Driver/ToolChains/Clang.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/Driver/clang_f_opts.c


Index: test/Driver/clang_f_opts.c
===
--- test/Driver/clang_f_opts.c
+++ test/Driver/clang_f_opts.c
@@ -178,13 +178,6 @@
 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
 
-// RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive 
-fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fslp-vectorize-aggressive 
-fno-slp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// CHECK-SLP-VECTORIZE-AGG: "-vectorize-slp-aggressive"
-// CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
-
 // RUN: %clang -### -S -fextended-identifiers %s 2>&1 | FileCheck 
-check-prefix=CHECK-EXTENDED-IDENTIFIERS %s
 // RUN: not %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
 // CHECK-EXTENDED-IDENTIFIERS: "-cc1"
Index: lib/Frontend/CompilerInvocation.cpp
===
--- lib/Frontend/CompilerInvocation.cpp
+++ lib/Frontend/CompilerInvocation.cpp
@@ -672,7 +672,6 @@
 
   Opts.MSVolatile = Args.hasArg(OPT_fms_volatile);
 
-  Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
   Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
   Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
 
Index: lib/Driver/ToolChains/Clang.cpp
===
--- lib/Driver/ToolChains/Clang.cpp
+++ lib/Driver/ToolChains/Clang.cpp
@@ -4156,11 +4156,6 @@
options::OPT_fno_slp_vectorize, EnableSLPVec))
 CmdArgs.push_back("-vectorize-slp");
 
-  // -fno-slp-vectorize-aggressive is default.
-  if (Args.hasFlag(options::OPT_fslp_vectorize_aggressive,
-   options::OPT_fno_slp_vectorize_aggressive, false))
-CmdArgs.push_back("-vectorize-slp-aggressive");
-
   if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
 A->render(Args, CmdArgs);
 
Index: lib/CodeGen/BackendUtil.cpp
===
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -492,7 +492,6 @@
 
   PMBuilder.OptLevel = CodeGenOpts.OptimizationLevel;
   PMBuilder.SizeLevel = CodeGenOpts.OptimizeSize;
-  PMBuilder.BBVectorize = CodeGenOpts.VectorizeBB;
   PMBuilder.SLPVectorize = CodeGenOpts.VectorizeSLP;
   PMBuilder.LoopVectorize = CodeGenOpts.VectorizeLoop;
 
Index: include/clang/Frontend/CodeGenOptions.def
===
--- include/clang/Frontend/CodeGenOptions.def
+++ include/clang/Frontend/CodeGenOptions.def
@@ -179,7 +179,6 @@
 CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
 CODEGENOPT(UnsafeFPMath  , 1, 0) ///< Allow unsafe floating point optzns.
 CODEGENOPT(UnwindTables  , 1, 0) ///< Emit unwind tables.
-CODEGENOPT(VectorizeBB   , 1, 0) ///< Run basic block vectorizer.
 CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
 CODEGENOPT(VectorizeSLP  , 1, 0) ///< Run SLP vectorizer.
 
Index: include/clang/Driver/Options.td
===
--- include/clang/Driver/Options.td
+++ include/clang/Driver/Options.td
@@ -1405,9 +1405,6 @@
 def fslp_vectorize : Flag<["-"], "fslp-vectorize">, Group,
   HelpText<"Enable the superword-level parallelism vectorization passes">;
 def fno_slp_vectorize : Flag<["-"], "fno-slp-vectorize">, Group;
-def fslp_vectorize_aggressive : Flag<["-"], "fslp-vectorize-aggressive">, 
Group,
-  HelpText<"Enable the BB vectorization passes">;
-def fno_slp_vectorize_aggressive : Flag<["-"], 
"fno-slp-vectorize-aggressive">, Group;
 def : Flag<["-"], "ftree-slp-vectorize">, Alias;
 def : Flag<["-"], "fno-tree-slp-vectorize">, Alias;
 def Wlarge_by_value_copy_def : Flag<["-"], "Wlarge-by-value-copy">,
Index: include/clang/Driver/CC1Options.td
===
--- include/clang/Driver/CC1Options.td
+++ include/clang/Driver/CC1Options.td
@@ -268,8 +268,6 @@
   HelpText<"Run the Loop vectorization passes">;
 def vectorize_slp : Flag<["-"], "vectorize-slp">,
   HelpText<"Run the SLP vectorization

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Hal Finkel via Phabricator via cfe-commits

hfinkel added a comment.

In https://reviews.llvm.org/D34846#796102, @rsmith wrote:

> Removing a `-cc1` flag is OK: we explicitly tell people that the `-cc1` 
> interface is subject to change without notice.

I'm assuming we can remove the regular flag as well. They'll just get an 
"unused argument" warning, which I think makes sense in this context. Do you 
think that we should do more? I know some people are using this flag, but I 
don't think many. We should remember to add something to the release notes.

https://reviews.llvm.org/D34846

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[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Hal Finkel via Phabricator via cfe-commits

hfinkel accepted this revision.
hfinkel added a comment.

LGTM, but you need to get the:

  def fslp_vectorize_aggressive : Flag<["-"], "fslp-vectorize-aggressive">, 
Group,
HelpText<"Enable the BB vectorization passes">;
  def fno_slp_vectorize_aggressive : Flag<["-"], 
"fno-slp-vectorize-aggressive">, Group;

in include/clang/Driver/Options.td as well. There's corresponding code in 
lib/Driver/ToolChains/Clang.cpp:

  // -fno-slp-vectorize-aggressive is default.
  if (Args.hasFlag(options::OPT_fslp_vectorize_aggressive,
   options::OPT_fno_slp_vectorize_aggressive, false))
CmdArgs.push_back("-vectorize-slp-aggressive");


https://reviews.llvm.org/D34846



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[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Richard Smith - zygoloid via Phabricator via cfe-commits

rsmith accepted this revision.
rsmith added a comment.
This revision is now accepted and ready to land.

Removing a `-cc1` flag is OK: we explicitly tell people that the `-cc1` 
interface is subject to change without notice.


https://reviews.llvm.org/D34846



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[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

2017-06-29 Thread Chandler Carruth via Phabricator via cfe-commits

chandlerc created this revision.
Herald added subscribers: mcrosier, sanjoy, rengolin.

Given the long time for which this path has been unused, off by default,
and unnecessary this completely removes the flags. If users are deeply
concerned about the commandline compatibility, they can be added back
but it seems somewhat pointelss.

Hal proposed this back in 2014 to no objections:
http://lists.llvm.org/pipermail/llvm-dev/2014-November/079091.html


https://reviews.llvm.org/D34846

Files:
  include/clang/Driver/CC1Options.td
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/BackendUtil.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/Driver/clang_f_opts.c


Index: test/Driver/clang_f_opts.c
===
--- test/Driver/clang_f_opts.c
+++ test/Driver/clang_f_opts.c
@@ -178,13 +178,6 @@
 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
 
-// RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive 
-fslp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fslp-vectorize-aggressive 
-fno-slp-vectorize-aggressive %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// CHECK-SLP-VECTORIZE-AGG: "-vectorize-slp-aggressive"
-// CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
-
 // RUN: %clang -### -S -fextended-identifiers %s 2>&1 | FileCheck 
-check-prefix=CHECK-EXTENDED-IDENTIFIERS %s
 // RUN: not %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck 
-check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
 // CHECK-EXTENDED-IDENTIFIERS: "-cc1"
Index: lib/Frontend/CompilerInvocation.cpp
===
--- lib/Frontend/CompilerInvocation.cpp
+++ lib/Frontend/CompilerInvocation.cpp
@@ -672,7 +672,6 @@
 
   Opts.MSVolatile = Args.hasArg(OPT_fms_volatile);
 
-  Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
   Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
   Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
 
Index: lib/CodeGen/BackendUtil.cpp
===
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -492,7 +492,6 @@
 
   PMBuilder.OptLevel = CodeGenOpts.OptimizationLevel;
   PMBuilder.SizeLevel = CodeGenOpts.OptimizeSize;
-  PMBuilder.BBVectorize = CodeGenOpts.VectorizeBB;
   PMBuilder.SLPVectorize = CodeGenOpts.VectorizeSLP;
   PMBuilder.LoopVectorize = CodeGenOpts.VectorizeLoop;
 
Index: include/clang/Frontend/CodeGenOptions.def
===
--- include/clang/Frontend/CodeGenOptions.def
+++ include/clang/Frontend/CodeGenOptions.def
@@ -179,7 +179,6 @@
 CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
 CODEGENOPT(UnsafeFPMath  , 1, 0) ///< Allow unsafe floating point optzns.
 CODEGENOPT(UnwindTables  , 1, 0) ///< Emit unwind tables.
-CODEGENOPT(VectorizeBB   , 1, 0) ///< Run basic block vectorizer.
 CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer.
 CODEGENOPT(VectorizeSLP  , 1, 0) ///< Run SLP vectorizer.
 
Index: include/clang/Driver/CC1Options.td
===
--- include/clang/Driver/CC1Options.td
+++ include/clang/Driver/CC1Options.td
@@ -268,8 +268,6 @@
   HelpText<"Run the Loop vectorization passes">;
 def vectorize_slp : Flag<["-"], "vectorize-slp">,
   HelpText<"Run the SLP vectorization passes">;
-def vectorize_slp_aggressive : Flag<["-"], "vectorize-slp-aggressive">,
-  HelpText<"Run the BB vectorization passes">;
 def dependent_lib : Joined<["--"], "dependent-lib=">,
   HelpText<"Add dependent library">;
 def linker_option : Joined<["--"], "linker-option=">,


Index: test/Driver/clang_f_opts.c
===
--- test/Driver/clang_f_opts.c
+++ test/Driver/clang_f_opts.c
@@ -178,13 +178,6 @@
 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
 
-// RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// RUN: %clang -### -S -fslp-vectorize-aggressive -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
-// CHECK-SLP-VECTORIZE-AGG: "-vectorize-slp-aggressive"
-// CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
-
 // RUN: %clang -### -S

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

[PATCH] D34846: Remove Clang support for '-fvectorize-slp-aggressive' which used LLVM's basic block vectorizer. This vectorizer has had no known users for many, many years and is completely surpassed

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