[clang] [Clang][Tooling][NFC] Use move to avoid copies of large objects (PR #143603)

2025-06-11 Thread LLVM Continuous Integration via cfe-commits 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-flang-rhel-clang` 
running on `ppc64le-flang-rhel-test` while building `clang` at step 6 
"test-build-unified-tree-check-flang".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/157/builds/30523


Here is the relevant piece of the build log for the reference

```
Step 6 (test-build-unified-tree-check-flang) failure: test (failure)
 TEST 'Flang :: Semantics/modfile75.F90' FAILED 

Exit Code: 2

Command Output (stderr):
--
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -c -fhermetic-module-files -DWHICH=1 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
 && 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -c -fhermetic-module-files -DWHICH=2 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
 && 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -fc1 -fdebug-unparse 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
 | 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck
 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
 # RUN: at line 1
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -c -fhermetic-module-files -DWHICH=1 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -c -fhermetic-module-files -DWHICH=2 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -fc1 -fdebug-unparse 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck
 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
error: Semantic errors in 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90:15:11:
 error: Must be a constant value
integer(c_int) n
^
FileCheck error: '' is empty.
FileCheck command line:  
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck
 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Semantics/modfile75.F90

--




```



https://github.com/llvm/llvm-project/pull/143603
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[clang] [Clang][Tooling][NFC] Use move to avoid copies of large objects (PR #143603)

2025-06-11 Thread Aaron Ballman via cfe-commits 

https://github.com/AaronBallman approved this pull request.

LGTM!

https://github.com/llvm/llvm-project/pull/143603
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[clang] [Clang][Tooling][NFC] Use move to avoid copies of large objects (PR #143603)

2025-06-10 Thread Shafik Yaghmour via cfe-commits 

https://github.com/shafik updated 
https://github.com/llvm/llvm-project/pull/143603

>From 6bcbd5e1691edd4cbc36bd0c318cdd3b526db1c3 Mon Sep 17 00:00:00 2001
From: Shafik Yaghmour 
Date: Tue, 10 Jun 2025 13:51:19 -0700
Subject: [PATCH 1/2] [Clang][Tooling][NFC] Use move to avoid copies of large
 objects

Static analysis flagged these cases in which can use std::move and avoid copies
of large objects.
---
 clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp 
b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
index 44a270d5f7b35..b1495163ccc24 100644
--- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
+++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
@@ -657,7 +657,7 @@ void ModuleDepCollectorPP::moduleImport(SourceLocation 
ImportLoc,
 P1689ModuleInfo RequiredModule;
 RequiredModule.ModuleName = Path[0].getIdentifierInfo()->getName().str();
 RequiredModule.Type = P1689ModuleInfo::ModuleType::NamedCXXModule;
-MDC.RequiredStdCXXModules.push_back(RequiredModule);
+MDC.RequiredStdCXXModules.push_back(std::move(RequiredModule));
 return;
   }
 
@@ -920,7 +920,7 @@ void ModuleDepCollectorPP::addAllSubmoduleDeps(
 
 void ModuleDepCollectorPP::addOneModuleDep(const Module *M, const ModuleID ID,
ModuleDeps &MD) {
-  MD.ClangModuleDeps.push_back(ID);
+  MD.ClangModuleDeps.push_back(std::move(ID));
   if (MD.IsInStableDirectories)
 MD.IsInStableDirectories = MDC.ModularDeps[M]->IsInStableDirectories;
 }

>From dfa989e9e0c093536c879a55c276f037fcde0c71 Mon Sep 17 00:00:00 2001
From: Shafik Yaghmour 
Date: Tue, 10 Jun 2025 23:41:04 -0700
Subject: [PATCH 2/2] Trigger Build


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[clang] [Clang][Tooling][NFC] Use move to avoid copies of large objects (PR #143603)

2025-06-10 Thread via cfe-commits 

llvmbot wrote:




@llvm/pr-subscribers-clang

Author: Shafik Yaghmour (shafik)


Changes

Static analysis flagged these cases in which can use std::move and avoid copies 
of large objects.

---
Full diff: https://github.com/llvm/llvm-project/pull/143603.diff


1 Files Affected:

- (modified) clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp (+2-2) 


``diff
diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp 
b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
index 44a270d5f7b35..b1495163ccc24 100644
--- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
+++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
@@ -657,7 +657,7 @@ void ModuleDepCollectorPP::moduleImport(SourceLocation 
ImportLoc,
 P1689ModuleInfo RequiredModule;
 RequiredModule.ModuleName = Path[0].getIdentifierInfo()->getName().str();
 RequiredModule.Type = P1689ModuleInfo::ModuleType::NamedCXXModule;
-MDC.RequiredStdCXXModules.push_back(RequiredModule);
+MDC.RequiredStdCXXModules.push_back(std::move(RequiredModule));
 return;
   }
 
@@ -920,7 +920,7 @@ void ModuleDepCollectorPP::addAllSubmoduleDeps(
 
 void ModuleDepCollectorPP::addOneModuleDep(const Module *M, const ModuleID ID,
ModuleDeps &MD) {
-  MD.ClangModuleDeps.push_back(ID);
+  MD.ClangModuleDeps.push_back(std::move(ID));
   if (MD.IsInStableDirectories)
 MD.IsInStableDirectories = MDC.ModularDeps[M]->IsInStableDirectories;
 }

``




https://github.com/llvm/llvm-project/pull/143603
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[clang] [Clang][Tooling][NFC] Use move to avoid copies of large objects (PR #143603)

2025-06-10 Thread Shafik Yaghmour via cfe-commits 

https://github.com/shafik created 
https://github.com/llvm/llvm-project/pull/143603

Static analysis flagged these cases in which can use std::move and avoid copies 
of large objects.

>From 6bcbd5e1691edd4cbc36bd0c318cdd3b526db1c3 Mon Sep 17 00:00:00 2001
From: Shafik Yaghmour 
Date: Tue, 10 Jun 2025 13:51:19 -0700
Subject: [PATCH] [Clang][Tooling][NFC] Use move to avoid copies of large
 objects

Static analysis flagged these cases in which can use std::move and avoid copies
of large objects.
---
 clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp 
b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
index 44a270d5f7b35..b1495163ccc24 100644
--- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
+++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
@@ -657,7 +657,7 @@ void ModuleDepCollectorPP::moduleImport(SourceLocation 
ImportLoc,
 P1689ModuleInfo RequiredModule;
 RequiredModule.ModuleName = Path[0].getIdentifierInfo()->getName().str();
 RequiredModule.Type = P1689ModuleInfo::ModuleType::NamedCXXModule;
-MDC.RequiredStdCXXModules.push_back(RequiredModule);
+MDC.RequiredStdCXXModules.push_back(std::move(RequiredModule));
 return;
   }
 
@@ -920,7 +920,7 @@ void ModuleDepCollectorPP::addAllSubmoduleDeps(
 
 void ModuleDepCollectorPP::addOneModuleDep(const Module *M, const ModuleID ID,
ModuleDeps &MD) {
-  MD.ClangModuleDeps.push_back(ID);
+  MD.ClangModuleDeps.push_back(std::move(ID));
   if (MD.IsInStableDirectories)
 MD.IsInStableDirectories = MDC.ModularDeps[M]->IsInStableDirectories;
 }

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