[llvm] [C API] Add function to create constantRange attributes to C API (PR #90505)
Andreas Jonson via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 30 21:08:40 PDT 2024
https://github.com/andjo403 updated https://github.com/llvm/llvm-project/pull/90505
>From 6916226116d365b3ad92fd5f5567ebced6e05e84 Mon Sep 17 00:00:00 2001
From: Andreas Jonson <andjo403 at hotmail.com>
Date: Mon, 29 Apr 2024 20:15:53 +0200
Subject: [PATCH 1/3] [C API] Add function to create constantRange attributes
to C API
---
llvm/docs/ReleaseNotes.rst | 2 ++
llvm/include/llvm-c/Core.h | 8 ++++++++
llvm/lib/IR/Core.cpp | 14 ++++++++++++++
3 files changed, 24 insertions(+)
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 46d79d6c5822b1..0c5697e6ec949d 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -161,6 +161,8 @@ Changes to the C API
* Added ``LLVMAtomicRMWBinOpUIncWrap`` and ``LLVMAtomicRMWBinOpUDecWrap`` to
``LLVMAtomicRMWBinOp`` enum for AtomicRMW instructions.
+* Added ``LLVMCreateConstantRangeAttribute`` function for creating ConstantRange Attributes.
+
Changes to the CodeGen infrastructure
-------------------------------------
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 0b03f3b36fcdd3..3670fa88a734fc 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -673,6 +673,14 @@ LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
*/
LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
+/**
+ * Create a constantRange attribute
+ */
+LLVMAttributeRef LLVMCreateConstantRangeAttribute(
+ LLVMContextRef C, unsigned KindID, LLVMTypeRef IntTy,
+ unsigned LowerNumWords, const uint64_t LowerWords[], unsigned UpperNumWords,
+ const uint64_t UpperWords[]);
+
/**
* Create a string attribute.
*/
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index 6aff94f39d9c0c..b68b304fffb8d4 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -14,6 +14,7 @@
#include "llvm-c/Core.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
@@ -178,6 +179,19 @@ LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A) {
return wrap(Attr.getValueAsType());
}
+LLVMAttributeRef LLVMCreateConstantRangeAttribute(
+ LLVMContextRef C, unsigned KindID, LLVMTypeRef IntTy,
+ unsigned LowerNumWords, const uint64_t LowerWords[], unsigned UpperNumWords,
+ const uint64_t UpperWords[]) {
+ unsigned BitWidth = unwrap<IntegerType>(IntTy)->getBitWidth();
+ auto &Ctx = *unwrap(C);
+ auto AttrKind = (Attribute::AttrKind)KindID;
+ return wrap(Attribute::get(
+ Ctx, AttrKind,
+ ConstantRange(APInt(BitWidth, ArrayRef(LowerWords, LowerNumWords)),
+ APInt(BitWidth, ArrayRef(UpperWords, UpperNumWords)))));
+}
+
LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
const char *K, unsigned KLength,
const char *V, unsigned VLength) {
>From 8b1d790020284f317c0057ca4c14c3d19650e494 Mon Sep 17 00:00:00 2001
From: Andreas Jonson <andjo403 at hotmail.com>
Date: Tue, 30 Apr 2024 09:02:47 +0200
Subject: [PATCH 2/3] fixup! [C API] Add function to create constantRange
attributes to C API
---
llvm/include/llvm-c/Core.h | 2 +-
llvm/unittests/IR/AttributesTest.cpp | 34 ++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 1 deletion(-)
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 3670fa88a734fc..b9e903992560ef 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -674,7 +674,7 @@ LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
/**
- * Create a constantRange attribute
+ * Create a ConstantRange attribute.
*/
LLVMAttributeRef LLVMCreateConstantRangeAttribute(
LLVMContextRef C, unsigned KindID, LLVMTypeRef IntTy,
diff --git a/llvm/unittests/IR/AttributesTest.cpp b/llvm/unittests/IR/AttributesTest.cpp
index 1accdfd3f6a423..1db6b5c9adc8d0 100644
--- a/llvm/unittests/IR/AttributesTest.cpp
+++ b/llvm/unittests/IR/AttributesTest.cpp
@@ -7,8 +7,10 @@
//===----------------------------------------------------------------------===//
#include "llvm/IR/Attributes.h"
+#include "llvm-c/Core.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/AttributeMask.h"
+#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/LLVMContext.h"
@@ -308,4 +310,36 @@ TEST(Attributes, RemoveParamAttributes) {
EXPECT_EQ(AL.getNumAttrSets(), 0U);
}
+TEST(Attributes, ConstantRangeAttributeCAPI) {
+ LLVMContext C;
+ {
+ Type *IntTy = Type::getInt8Ty(C);
+
+ const uint64_t LowerWords[] = {0};
+ const uint64_t UpperWords[] = {42};
+
+ auto Range = ConstantRange(APInt(8, ArrayRef<uint64_t>(LowerWords, 1)),
+ APInt(8, ArrayRef<uint64_t>(UpperWords, 1)));
+
+ Attribute RangeAttr = Attribute::get(C, Attribute::Range, Range);
+ auto OutAttr = unwrap(LLVMCreateConstantRangeAttribute(
+ wrap(&C), Attribute::Range, wrap(IntTy), 1, LowerWords, 1, UpperWords));
+ EXPECT_EQ(OutAttr, RangeAttr);
+ }
+ {
+ Type *IntTy = Type::getInt128Ty(C);
+
+ const uint64_t LowerWords[] = {1, 1};
+ const uint64_t UpperWords[] = {42, 42};
+
+ auto Range = ConstantRange(APInt(128, ArrayRef<uint64_t>(LowerWords, 2)),
+ APInt(128, ArrayRef<uint64_t>(UpperWords, 2)));
+
+ Attribute RangeAttr = Attribute::get(C, Attribute::Range, Range);
+ auto OutAttr = unwrap(LLVMCreateConstantRangeAttribute(
+ wrap(&C), Attribute::Range, wrap(IntTy), 2, LowerWords, 2, UpperWords));
+ EXPECT_EQ(OutAttr, RangeAttr);
+ }
+}
+
} // end anonymous namespace
>From 665f76ec231a8142ca8cc03a4f05e85efab51e81 Mon Sep 17 00:00:00 2001
From: Andreas Jonson <andjo403 at hotmail.com>
Date: Wed, 1 May 2024 06:07:53 +0200
Subject: [PATCH 3/3] fixup! [C API] Add function to create constantRange
attributes to C API
---
llvm/include/llvm-c/Core.h | 4 ++--
llvm/lib/IR/Core.cpp | 9 ++++-----
llvm/unittests/IR/AttributesTest.cpp | 20 ++++++++++----------
3 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index b9e903992560ef..caa83bd5c0b57f 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -677,8 +677,8 @@ LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A);
* Create a ConstantRange attribute.
*/
LLVMAttributeRef LLVMCreateConstantRangeAttribute(
- LLVMContextRef C, unsigned KindID, LLVMTypeRef IntTy,
- unsigned LowerNumWords, const uint64_t LowerWords[], unsigned UpperNumWords,
+ LLVMContextRef C, unsigned KindID, unsigned NumBits, unsigned LowerNumWords,
+ const uint64_t LowerWords[], unsigned UpperNumWords,
const uint64_t UpperWords[]);
/**
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index b68b304fffb8d4..af6b272c4f6186 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -180,16 +180,15 @@ LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A) {
}
LLVMAttributeRef LLVMCreateConstantRangeAttribute(
- LLVMContextRef C, unsigned KindID, LLVMTypeRef IntTy,
- unsigned LowerNumWords, const uint64_t LowerWords[], unsigned UpperNumWords,
+ LLVMContextRef C, unsigned KindID, unsigned NumBits, unsigned LowerNumWords,
+ const uint64_t LowerWords[], unsigned UpperNumWords,
const uint64_t UpperWords[]) {
- unsigned BitWidth = unwrap<IntegerType>(IntTy)->getBitWidth();
auto &Ctx = *unwrap(C);
auto AttrKind = (Attribute::AttrKind)KindID;
return wrap(Attribute::get(
Ctx, AttrKind,
- ConstantRange(APInt(BitWidth, ArrayRef(LowerWords, LowerNumWords)),
- APInt(BitWidth, ArrayRef(UpperWords, UpperNumWords)))));
+ ConstantRange(APInt(NumBits, ArrayRef(LowerWords, LowerNumWords)),
+ APInt(NumBits, ArrayRef(UpperWords, UpperNumWords)))));
}
LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
diff --git a/llvm/unittests/IR/AttributesTest.cpp b/llvm/unittests/IR/AttributesTest.cpp
index 1db6b5c9adc8d0..b4fb976ad2d736 100644
--- a/llvm/unittests/IR/AttributesTest.cpp
+++ b/llvm/unittests/IR/AttributesTest.cpp
@@ -313,31 +313,31 @@ TEST(Attributes, RemoveParamAttributes) {
TEST(Attributes, ConstantRangeAttributeCAPI) {
LLVMContext C;
{
- Type *IntTy = Type::getInt8Ty(C);
-
+ const unsigned numBits = 8;
const uint64_t LowerWords[] = {0};
const uint64_t UpperWords[] = {42};
- auto Range = ConstantRange(APInt(8, ArrayRef<uint64_t>(LowerWords, 1)),
- APInt(8, ArrayRef<uint64_t>(UpperWords, 1)));
+ auto Range =
+ ConstantRange(APInt(numBits, ArrayRef<uint64_t>(LowerWords, 1)),
+ APInt(numBits, ArrayRef<uint64_t>(UpperWords, 1)));
Attribute RangeAttr = Attribute::get(C, Attribute::Range, Range);
auto OutAttr = unwrap(LLVMCreateConstantRangeAttribute(
- wrap(&C), Attribute::Range, wrap(IntTy), 1, LowerWords, 1, UpperWords));
+ wrap(&C), Attribute::Range, numBits, 1, LowerWords, 1, UpperWords));
EXPECT_EQ(OutAttr, RangeAttr);
}
{
- Type *IntTy = Type::getInt128Ty(C);
-
+ const unsigned numBits = 128;
const uint64_t LowerWords[] = {1, 1};
const uint64_t UpperWords[] = {42, 42};
- auto Range = ConstantRange(APInt(128, ArrayRef<uint64_t>(LowerWords, 2)),
- APInt(128, ArrayRef<uint64_t>(UpperWords, 2)));
+ auto Range =
+ ConstantRange(APInt(numBits, ArrayRef<uint64_t>(LowerWords, 2)),
+ APInt(numBits, ArrayRef<uint64_t>(UpperWords, 2)));
Attribute RangeAttr = Attribute::get(C, Attribute::Range, Range);
auto OutAttr = unwrap(LLVMCreateConstantRangeAttribute(
- wrap(&C), Attribute::Range, wrap(IntTy), 2, LowerWords, 2, UpperWords));
+ wrap(&C), Attribute::Range, numBits, 2, LowerWords, 2, UpperWords));
EXPECT_EQ(OutAttr, RangeAttr);
}
}
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