https://github.com/kparzysz updated
https://github.com/llvm/llvm-project/pull/75523
>From 21261fef67dbbea956adf2e09b8abacd92d9caf3 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <krzysztof.parzys...@amd.com>
Date: Thu, 14 Dec 2023 13:45:17 -0600
Subject: [PATCH 1/3] [flang][OpenMP] Move handling of OpenMP symbol flags to
OpenMP.cpp
The function `instantiateVariable` in Bridge.cpp has the following code:
```
if (var.getSymbol().test(
Fortran::semantics::Symbol::Flag::OmpThreadprivate))
Fortran::lower::genThreadprivateOp(*this, var);
if (var.getSymbol().test(
Fortran::semantics::Symbol::Flag::OmpDeclareTarget))
Fortran::lower::genDeclareTargetIntGlobal(*this, var);
```
Implement `handleOpenMPSymbolProperties` in OpenMP.cpp, move the above
code there, and have `instantiateVariable` call this function instead.
This would further separate OpenMP-related details into OpenMP.cpp.
---
flang/include/flang/Lower/OpenMP.h | 2 ++
flang/lib/Lower/Bridge.cpp | 8 +-------
flang/lib/Lower/OpenMP.cpp | 13 +++++++++++++
3 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/flang/include/flang/Lower/OpenMP.h
b/flang/include/flang/Lower/OpenMP.h
index c9162761a08d54..a6ea26ee949fe7 100644
--- a/flang/include/flang/Lower/OpenMP.h
+++ b/flang/include/flang/Lower/OpenMP.h
@@ -56,6 +56,8 @@ void genOpenMPConstruct(AbstractConverter &,
semantics::SemanticsContext &,
pft::Evaluation &, const parser::OpenMPConstruct &);
void genOpenMPDeclarativeConstruct(AbstractConverter &, pft::Evaluation &,
const parser::OpenMPDeclarativeConstruct &);
+void handleOpenMPSymbolProperties(AbstractConverter &converter,
+ const pft::Variable &var);
int64_t getCollapseValue(const Fortran::parser::OmpClauseList &clauseList);
void genThreadprivateOp(AbstractConverter &, const pft::Variable &);
void genDeclareTargetIntGlobal(AbstractConverter &, const pft::Variable &);
diff --git a/flang/lib/Lower/Bridge.cpp b/flang/lib/Lower/Bridge.cpp
index 6ca910d2696742..1ec242fafc5b6d 100644
--- a/flang/lib/Lower/Bridge.cpp
+++ b/flang/lib/Lower/Bridge.cpp
@@ -4244,13 +4244,7 @@ class FirConverter : public
Fortran::lower::AbstractConverter {
Fortran::lower::AggregateStoreMap &storeMap) {
Fortran::lower::instantiateVariable(*this, var, localSymbols, storeMap);
if (var.hasSymbol()) {
- if (var.getSymbol().test(
- Fortran::semantics::Symbol::Flag::OmpThreadprivate))
- Fortran::lower::genThreadprivateOp(*this, var);
-
- if (var.getSymbol().test(
- Fortran::semantics::Symbol::Flag::OmpDeclareTarget))
- Fortran::lower::genDeclareTargetIntGlobal(*this, var);
+ handleOpenMPSymbolProperties(*this, var);
}
}
diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
index 12b8ea82884d9d..9a798e641d1267 100644
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -3483,6 +3483,19 @@ void Fortran::lower::genOpenMPDeclarativeConstruct(
ompDeclConstruct.u);
}
+void Fortran::lower::handleOpenMPSymbolProperties(
+ Fortran::lower::AbstractConverter &converter,
+ const Fortran::lower::pft::Variable &var) {
+ assert(var.hasSymbol() && "Expecting Symbol");
+ const Fortran::semantics::Symbol &sym = var.getSymbol();
+
+ if (sym.test(Fortran::semantics::Symbol::Flag::OmpThreadprivate))
+ Fortran::lower::genThreadprivateOp(converter, var);
+
+ if (sym.test(Fortran::semantics::Symbol::Flag::OmpDeclareTarget))
+ Fortran::lower::genDeclareTargetIntGlobal(converter, var);
+}
+
int64_t Fortran::lower::getCollapseValue(
const Fortran::parser::OmpClauseList &clauseList) {
for (const Fortran::parser::OmpClause &clause : clauseList.v) {
>From ef5a70a1bd4d484f6079e0d55a80e943072ce218 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <krzysztof.parzys...@amd.com>
Date: Fri, 15 Dec 2023 08:28:10 -0600
Subject: [PATCH 2/3] Remove braces around single statement
---
flang/lib/Lower/Bridge.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/flang/lib/Lower/Bridge.cpp b/flang/lib/Lower/Bridge.cpp
index 1ec242fafc5b6d..49700744db5181 100644
--- a/flang/lib/Lower/Bridge.cpp
+++ b/flang/lib/Lower/Bridge.cpp
@@ -4243,9 +4243,8 @@ class FirConverter : public
Fortran::lower::AbstractConverter {
void instantiateVar(const Fortran::lower::pft::Variable &var,
Fortran::lower::AggregateStoreMap &storeMap) {
Fortran::lower::instantiateVariable(*this, var, localSymbols, storeMap);
- if (var.hasSymbol()) {
+ if (var.hasSymbol())
handleOpenMPSymbolProperties(*this, var);
- }
}
/// Where applicable, save the exception state and halting and rounding
>From 906fc9df8aa8a6c559d47dba8573a04d39193054 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <krzysztof.parzys...@amd.com>
Date: Fri, 15 Dec 2023 08:34:36 -0600
Subject: [PATCH 3/3] Rename handleOpenMP... to genOpenMP..., add inine
documentation
---
flang/include/flang/Lower/OpenMP.h | 9 +++++++--
flang/lib/Lower/Bridge.cpp | 2 +-
flang/lib/Lower/OpenMP.cpp | 2 +-
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/flang/include/flang/Lower/OpenMP.h
b/flang/include/flang/Lower/OpenMP.h
index a6ea26ee949fe7..a3b01a79e70331 100644
--- a/flang/include/flang/Lower/OpenMP.h
+++ b/flang/include/flang/Lower/OpenMP.h
@@ -56,8 +56,13 @@ void genOpenMPConstruct(AbstractConverter &,
semantics::SemanticsContext &,
pft::Evaluation &, const parser::OpenMPConstruct &);
void genOpenMPDeclarativeConstruct(AbstractConverter &, pft::Evaluation &,
const parser::OpenMPDeclarativeConstruct &);
-void handleOpenMPSymbolProperties(AbstractConverter &converter,
- const pft::Variable &var);
+/// Symbols in OpenMP code can have flags (e.g. threadprivate directive)
+/// that require additional handling when lowering the corresponding
+/// variable. Perform such handling according to the flags on the symbol.
+/// The variable \p var is required to have a `Symbol`.
+void genOpenMPSymbolProperties(AbstractConverter &converter,
+ const pft::Variable &var);
+
int64_t getCollapseValue(const Fortran::parser::OmpClauseList &clauseList);
void genThreadprivateOp(AbstractConverter &, const pft::Variable &);
void genDeclareTargetIntGlobal(AbstractConverter &, const pft::Variable &);
diff --git a/flang/lib/Lower/Bridge.cpp b/flang/lib/Lower/Bridge.cpp
index 49700744db5181..586c9bbc2af96e 100644
--- a/flang/lib/Lower/Bridge.cpp
+++ b/flang/lib/Lower/Bridge.cpp
@@ -4244,7 +4244,7 @@ class FirConverter : public
Fortran::lower::AbstractConverter {
Fortran::lower::AggregateStoreMap &storeMap) {
Fortran::lower::instantiateVariable(*this, var, localSymbols, storeMap);
if (var.hasSymbol())
- handleOpenMPSymbolProperties(*this, var);
+ genOpenMPSymbolProperties(*this, var);
}
/// Where applicable, save the exception state and halting and rounding
diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
index 9a798e641d1267..7acddd248745ad 100644
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -3483,7 +3483,7 @@ void Fortran::lower::genOpenMPDeclarativeConstruct(
ompDeclConstruct.u);
}
-void Fortran::lower::handleOpenMPSymbolProperties(
+void Fortran::lower::genOpenMPSymbolProperties(
Fortran::lower::AbstractConverter &converter,
const Fortran::lower::pft::Variable &var) {
assert(var.hasSymbol() && "Expecting Symbol");
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