https://github.com/MainakSil updated
https://github.com/llvm/llvm-project/pull/108804
>From 43e6c22f25f419b64678374dd247eaf8bc28fa57 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Mon, 16 Sep 2024 09:50:33 +0530
Subject: [PATCH 01/12] [clang] Increase VecLib bitfield size to 4 bits in
CodeGenOptions.def
---
clang/include/clang/Basic/CodeGenOptions.def | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/include/clang/Basic/CodeGenOptions.def
b/clang/include/clang/Basic/CodeGenOptions.def
index b600198998d85b..f2a96324936775 100644
--- a/clang/include/clang/Basic/CodeGenOptions.def
+++ b/clang/include/clang/Basic/CodeGenOptions.def
@@ -376,7 +376,7 @@ ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX)
// Vector functions library to use.
-ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 3,
llvm::driver::VectorLibrary::NoLibrary)
+ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 4,
llvm::driver::VectorLibrary::NoLibrary)
/// The default TLS model to use.
ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
>From b30adc9c059d1af9b5874b5c0e258670d3190852 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Mon, 16 Sep 2024 14:18:03 +0530
Subject: [PATCH 02/12] Update CodeGenOptions.def
---
clang/include/clang/Basic/CodeGenOptions.def | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/clang/include/clang/Basic/CodeGenOptions.def
b/clang/include/clang/Basic/CodeGenOptions.def
index f2a96324936775..2d5bb84d1cc59c 100644
--- a/clang/include/clang/Basic/CodeGenOptions.def
+++ b/clang/include/clang/Basic/CodeGenOptions.def
@@ -375,6 +375,11 @@ ENUM_CODEGENOPT(Inlining, InliningMethod, 2,
NormalInlining)
/// The maximum stack size a function can have to be considered for inlining.
VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX)
+// Ensure the VecLib bitfield has enough space for future vector libraries.
+// If new vector libraries are added beyond the current limit of 16, this
static assertion will fail.
+static_assert(static_cast<int>(llvm::driver::VectorLibrary::NoLibrary) <= 16,
+ "The VecLib bitfield in CodeGenOptions needs to be expanded to
support more vector libraries.");
+
// Vector functions library to use.
ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 4,
llvm::driver::VectorLibrary::NoLibrary)
>From d96f69105c5be85acf3614258911fbdf74dbc60f Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Mon, 16 Sep 2024 14:32:26 +0530
Subject: [PATCH 03/12] Update CodeGenOptions.def
>From 558038b29eedb81e9ce328f323914329af0d8f0f Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 08:57:16 +0530
Subject: [PATCH 04/12] Update CodeGenOptions.def
---
clang/include/clang/Basic/CodeGenOptions.def | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/clang/include/clang/Basic/CodeGenOptions.def
b/clang/include/clang/Basic/CodeGenOptions.def
index 2d5bb84d1cc59c..b78ae61e6509ea 100644
--- a/clang/include/clang/Basic/CodeGenOptions.def
+++ b/clang/include/clang/Basic/CodeGenOptions.def
@@ -375,13 +375,18 @@ ENUM_CODEGENOPT(Inlining, InliningMethod, 2,
NormalInlining)
/// The maximum stack size a function can have to be considered for inlining.
VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX)
-// Ensure the VecLib bitfield has enough space for future vector libraries.
-// If new vector libraries are added beyond the current limit of 16, this
static assertion will fail.
-static_assert(static_cast<int>(llvm::driver::VectorLibrary::NoLibrary) <= 16,
- "The VecLib bitfield in CodeGenOptions needs to be expanded to
support more vector libraries.");
+// Define the number of bits required for the VecLib enum
+#define VECLIB_BIT_COUNT
(llvm::countPopulation(llvm::driver::VectorLibrary::MaxLibrary))
-// Vector functions library to use.
-ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, 4,
llvm::driver::VectorLibrary::NoLibrary)
+// Ensure the VecLib bitfield has enough space for future vector libraries.
+// The number of bits is determined automatically based on the number of enum
values.
+static_assert(static_cast<size_t>(llvm::driver::VectorLibrary::MaxLibrary) <=
(1 << VECLIB_BIT_COUNT),
+ "VecLib bitfield size is too small to accommodate all vector
libraries.");
+
+// VecLib definition in CodeGenOptions.def
+ENUM_CODEGENOPT(VecLib, llvm::driver::VectorLibrary, VECLIB_BIT_COUNT,
llvm::driver::VectorLibrary::NoLibrary)
+
+#undef VECLIB_BIT_COUNT
/// The default TLS model to use.
ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
>From d2f9b3f437c1ac406e3ef2e72f412d0194909ee0 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 09:01:08 +0530
Subject: [PATCH 05/12] Create AllLibrariesFit.cpp
---
clang/unittests/CodeGen/AllLibrariesFit.cpp | 9 +++++++++
1 file changed, 9 insertions(+)
create mode 100644 clang/unittests/CodeGen/AllLibrariesFit.cpp
diff --git a/clang/unittests/CodeGen/AllLibrariesFit.cpp
b/clang/unittests/CodeGen/AllLibrariesFit.cpp
new file mode 100644
index 00000000000000..9c2c34ceee6992
--- /dev/null
+++ b/clang/unittests/CodeGen/AllLibrariesFit.cpp
@@ -0,0 +1,9 @@
+#include "clang/Basic/CodeGenOptions.h"
+#include "llvm/Driver/Options.h"
+#include "gtest/gtest.h"
+
+TEST(VecLibBitfieldTest, AllLibrariesFit) {
+ // We expect that all vector libraries fit in the bitfield size
+ EXPECT_LE(static_cast<size_t>(llvm::driver::VectorLibrary::MaxLibrary),
+ (1 << VECLIB_BIT_COUNT)) << "VecLib bitfield size is too small!";
+}
>From 1b39ac4650e445a3babbd5b79c2ea9aef3b3a91b Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 09:02:05 +0530
Subject: [PATCH 06/12] Create SimulatedOverflowTest.cpp
---
.../CodeGen/SimulatedOverflowTest.cpp | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 clang/unittests/CodeGen/SimulatedOverflowTest.cpp
diff --git a/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
b/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
new file mode 100644
index 00000000000000..4c716d3480cf90
--- /dev/null
+++ b/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
@@ -0,0 +1,23 @@
+// Simulate the addition of a new library without increasing the bitfield size
+enum class SimulatedVectorLibrary {
+ Accelerate = 0,
+ LIBMVEC,
+ MASSV,
+ SVML,
+ SLEEF,
+ Darwin_libsystem_m,
+ ArmPL,
+ AMDLIBM,
+ NoLibrary,
+ // Simulate new addition
+ NewLibrary,
+ MaxLibrary
+};
+
+#define SIMULATED_VECLIB_BIT_COUNT 4 // The current bitfield size (should be 4
for 9 options)
+
+TEST(VecLibBitfieldTest, SimulatedOverflowTest) {
+ // Simulate the addition of a new library and check if the bitfield size
is sufficient
+ EXPECT_LE(static_cast<size_t>(SimulatedVectorLibrary::MaxLibrary),
+ (1 << SIMULATED_VECLIB_BIT_COUNT)) << "Simulated VecLib bitfield
size overflow!";
+}
>From 2e6275d645485c5ae32754a753ed99bcfc507dba Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 09:03:12 +0530
Subject: [PATCH 07/12] Create EncodingDecodingTest.cpp
---
clang/unittests/CodeGen/EncodingDecodingTest.cpp | 15 +++++++++++++++
1 file changed, 15 insertions(+)
create mode 100644 clang/unittests/CodeGen/EncodingDecodingTest.cpp
diff --git a/clang/unittests/CodeGen/EncodingDecodingTest.cpp
b/clang/unittests/CodeGen/EncodingDecodingTest.cpp
new file mode 100644
index 00000000000000..c819c02a443b68
--- /dev/null
+++ b/clang/unittests/CodeGen/EncodingDecodingTest.cpp
@@ -0,0 +1,15 @@
+TEST(VecLibBitfieldTest, EncodingDecodingTest) {
+ clang::CodeGenOptions Opts;
+
+ // Test encoding and decoding for each vector library
+ for (int i = static_cast<int>(llvm::driver::VectorLibrary::Accelerate);
+ i <= static_cast<int>(llvm::driver::VectorLibrary::MaxLibrary); ++i) {
+
+ Opts.VecLib = static_cast<llvm::driver::VectorLibrary>(i);
+
+ // Encode and then decode
+ llvm::driver::VectorLibrary decodedValue =
static_cast<llvm::driver::VectorLibrary>(Opts.VecLib);
+
+ EXPECT_EQ(decodedValue, Opts.VecLib) << "Encoding/Decoding failed for
vector library " << i;
+ }
+}
>From 7738ec42531dca76f28839f230ed1bb1efc953bb Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 15:03:57 +0530
Subject: [PATCH 08/12] Update AllLibrariesFit.cpp
---
clang/unittests/CodeGen/AllLibrariesFit.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/clang/unittests/CodeGen/AllLibrariesFit.cpp
b/clang/unittests/CodeGen/AllLibrariesFit.cpp
index 9c2c34ceee6992..fae7ba9a11c59f 100644
--- a/clang/unittests/CodeGen/AllLibrariesFit.cpp
+++ b/clang/unittests/CodeGen/AllLibrariesFit.cpp
@@ -5,5 +5,6 @@
TEST(VecLibBitfieldTest, AllLibrariesFit) {
// We expect that all vector libraries fit in the bitfield size
EXPECT_LE(static_cast<size_t>(llvm::driver::VectorLibrary::MaxLibrary),
- (1 << VECLIB_BIT_COUNT)) << "VecLib bitfield size is too small!";
+ (1 << VECLIB_BIT_COUNT))
+ << "VecLib bitfield size is too small!";
}
>From 3524010239506e1934498cbf7f397ca4f03d7a17 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 20:21:51 +0530
Subject: [PATCH 09/12] Update SimulatedOverflowTest.cpp
---
.../CodeGen/SimulatedOverflowTest.cpp | 35 ++++++++++---------
1 file changed, 19 insertions(+), 16 deletions(-)
diff --git a/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
b/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
index 4c716d3480cf90..acfeaf7498b6d0 100644
--- a/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
+++ b/clang/unittests/CodeGen/SimulatedOverflowTest.cpp
@@ -1,23 +1,26 @@
// Simulate the addition of a new library without increasing the bitfield size
enum class SimulatedVectorLibrary {
- Accelerate = 0,
- LIBMVEC,
- MASSV,
- SVML,
- SLEEF,
- Darwin_libsystem_m,
- ArmPL,
- AMDLIBM,
- NoLibrary,
- // Simulate new addition
- NewLibrary,
- MaxLibrary
+ Accelerate = 0,
+ LIBMVEC,
+ MASSV,
+ SVML,
+ SLEEF,
+ Darwin_libsystem_m,
+ ArmPL,
+ AMDLIBM,
+ NoLibrary,
+ // Simulate new addition
+ NewLibrary,
+ MaxLibrary
};
-#define SIMULATED_VECLIB_BIT_COUNT 4 // The current bitfield size (should be 4
for 9 options)
+#define SIMULATED_VECLIB_BIT_COUNT
\
+ 4 // The current bitfield size (should be 4 for 9 options)
TEST(VecLibBitfieldTest, SimulatedOverflowTest) {
- // Simulate the addition of a new library and check if the bitfield size
is sufficient
- EXPECT_LE(static_cast<size_t>(SimulatedVectorLibrary::MaxLibrary),
- (1 << SIMULATED_VECLIB_BIT_COUNT)) << "Simulated VecLib bitfield
size overflow!";
+ // Simulate the addition of a new library and check if the bitfield size is
+ // sufficient
+ EXPECT_LE(static_cast<size_t>(SimulatedVectorLibrary::MaxLibrary),
+ (1 << SIMULATED_VECLIB_BIT_COUNT))
+ << "Simulated VecLib bitfield size overflow!";
}
>From b56cdeecb9e606d30955f52441b04771d3cf19b0 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 20:45:59 +0530
Subject: [PATCH 10/12] Update EncodingDecodingTest.cpp
---
.../CodeGen/EncodingDecodingTest.cpp | 28 ++++++++++---------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/clang/unittests/CodeGen/EncodingDecodingTest.cpp
b/clang/unittests/CodeGen/EncodingDecodingTest.cpp
index c819c02a443b68..67c89ef07c428b 100644
--- a/clang/unittests/CodeGen/EncodingDecodingTest.cpp
+++ b/clang/unittests/CodeGen/EncodingDecodingTest.cpp
@@ -1,15 +1,17 @@
TEST(VecLibBitfieldTest, EncodingDecodingTest) {
- clang::CodeGenOptions Opts;
-
- // Test encoding and decoding for each vector library
- for (int i = static_cast<int>(llvm::driver::VectorLibrary::Accelerate);
- i <= static_cast<int>(llvm::driver::VectorLibrary::MaxLibrary); ++i) {
-
- Opts.VecLib = static_cast<llvm::driver::VectorLibrary>(i);
-
- // Encode and then decode
- llvm::driver::VectorLibrary decodedValue =
static_cast<llvm::driver::VectorLibrary>(Opts.VecLib);
-
- EXPECT_EQ(decodedValue, Opts.VecLib) << "Encoding/Decoding failed for
vector library " << i;
- }
+ clang::CodeGenOptions Opts;
+
+ // Test encoding and decoding for each vector library
+ for (int i = static_cast<int>(llvm::driver::VectorLibrary::Accelerate);
+ i <= static_cast<int>(llvm::driver::VectorLibrary::MaxLibrary); ++i) {
+
+ Opts.VecLib = static_cast<llvm::driver::VectorLibrary>(i);
+
+ // Encode and then decode
+ llvm::driver::VectorLibrary decodedValue =
+ static_cast<llvm::driver::VectorLibrary>(Opts.VecLib);
+
+ EXPECT_EQ(decodedValue, Opts.VecLib)
+ << "Encoding/Decoding failed for vector library " << i;
+ }
}
>From e4f27872464087073a7056312b04a4e0d6d8fa1b Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 20:46:40 +0530
Subject: [PATCH 11/12] Update AllLibrariesFit.cpp
---
clang/unittests/CodeGen/AllLibrariesFit.cpp | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/clang/unittests/CodeGen/AllLibrariesFit.cpp
b/clang/unittests/CodeGen/AllLibrariesFit.cpp
index fae7ba9a11c59f..7bb28912893e53 100644
--- a/clang/unittests/CodeGen/AllLibrariesFit.cpp
+++ b/clang/unittests/CodeGen/AllLibrariesFit.cpp
@@ -3,8 +3,8 @@
#include "gtest/gtest.h"
TEST(VecLibBitfieldTest, AllLibrariesFit) {
- // We expect that all vector libraries fit in the bitfield size
- EXPECT_LE(static_cast<size_t>(llvm::driver::VectorLibrary::MaxLibrary),
- (1 << VECLIB_BIT_COUNT))
- << "VecLib bitfield size is too small!";
+ // We expect that all vector libraries fit in the bitfield size
+ EXPECT_LE(static_cast<size_t>(llvm::driver::VectorLibrary::MaxLibrary),
+ (1 << VECLIB_BIT_COUNT))
+ << "VecLib bitfield size is too small!";
}
>From c8b7c6d7047a2ac538a53b2d3ac26310df2e0051 Mon Sep 17 00:00:00 2001
From: Mainak Sil <mainaks...@gmail.com>
Date: Wed, 18 Sep 2024 20:52:10 +0530
Subject: [PATCH 12/12] Update EncodingDecodingTest.cpp
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