https://github.com/JOE1994 updated
https://github.com/llvm/llvm-project/pull/68277
>From 2c3fb032e7fdefa553ed4833bbeed8852eb6a410 Mon Sep 17 00:00:00 2001
From: Youngsuk Kim <joseph942...@gmail.com>
Date: Mon, 2 Oct 2023 12:28:33 -0400
Subject: [PATCH 1/3] [clang] Replace uses of
CreatePointerBitCastOrAddrSpaceCast (NFC)
With opaque pointers, CreatePointerBitCastOrAddrSpaceCast is same as
CreateAddrSpaceCast.
Replace or remove uses of CreatePointerBitCastOrAddrSpaceCast.
Opaque pointer cleanup effort.
---
clang/lib/CodeGen/CGCall.cpp | 2 +-
clang/lib/CodeGen/CodeGenFunction.cpp | 4 +---
clang/lib/CodeGen/ItaniumCXXABI.cpp | 3 ---
clang/lib/CodeGen/TargetInfo.cpp | 2 +-
llvm/include/llvm/IR/IRBuilder.h | 2 ++
5 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 93e16575042c4da..b0d1fcd26a5f413 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -1376,7 +1376,7 @@ static void CreateCoercedStore(llvm::Value *Src,
llvm::PointerType *DstPtrTy = llvm::dyn_cast<llvm::PointerType>(DstTy);
if (SrcPtrTy && DstPtrTy &&
SrcPtrTy->getAddressSpace() != DstPtrTy->getAddressSpace()) {
- Src = CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(Src, DstTy);
+ Src = CGF.Builder.CreateAddrSpaceCast(Src, DstTy);
CGF.Builder.CreateStore(Src, Dst, DstIsVolatile);
return;
}
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp
b/clang/lib/CodeGen/CodeGenFunction.cpp
index 9b21f428b0af7f5..2f1954fad80f159 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -1123,9 +1123,7 @@ void CodeGenFunction::StartFunction(GlobalDecl GD,
QualType RetTy,
if (!CurFnInfo->getReturnInfo().getIndirectByVal()) {
ReturnValuePointer =
CreateDefaultAlignTempAlloca(Int8PtrTy, "result.ptr");
- Builder.CreateStore(Builder.CreatePointerBitCastOrAddrSpaceCast(
- ReturnValue.getPointer(), Int8PtrTy),
- ReturnValuePointer);
+ Builder.CreateStore(ReturnValue.getPointer(), ReturnValuePointer);
}
} else if (CurFnInfo->getReturnInfo().getKind() == ABIArgInfo::InAlloca &&
!hasScalarEvaluationKind(CurFnInfo->getReturnType())) {
diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp
b/clang/lib/CodeGen/ItaniumCXXABI.cpp
index 0c89871420bdd3d..f7ef9503aa61033 100644
--- a/clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -3088,9 +3088,6 @@ void ItaniumCXXABI::EmitThreadLocalInitFuncs(
CharUnits Align = CGM.getContext().getDeclAlign(VD);
Val = Builder.CreateAlignedLoad(Var->getValueType(), Val, Align);
}
- if (Val->getType() != Wrapper->getReturnType())
- Val = Builder.CreatePointerBitCastOrAddrSpaceCast(
- Val, Wrapper->getReturnType(), "");
Builder.CreateRet(Val);
}
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 3d79f92137abc79..60224d458f6a262 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -137,7 +137,7 @@ llvm::Value *TargetCodeGenInfo::performAddrSpaceCast(
if (auto *C = dyn_cast<llvm::Constant>(Src))
return performAddrSpaceCast(CGF.CGM, C, SrcAddr, DestAddr, DestTy);
// Try to preserve the source's name to make IR more readable.
- return CGF.Builder.CreatePointerBitCastOrAddrSpaceCast(
+ return CGF.Builder.CreateAddrSpaceCast(
Src, DestTy, Src->hasName() ? Src->getName() + ".ascast" : "");
}
diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
index c9f243fdb12e404..a32ec9a66fedfa8 100644
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -2138,6 +2138,8 @@ class IRBuilderBase {
return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
}
+ // With opaque pointers enabled, this is same as CreateAddressSpaceCast.
+ // TODO: Replace uses of this method and remove the method itself.
Value *CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy,
const Twine &Name = "") {
if (V->getType() == DestTy)
>From 578bc43ac6bd066052803e76e1f3eb38b9798994 Mon Sep 17 00:00:00 2001
From: Youngsuk Kim <joseph942...@gmail.com>
Date: Thu, 5 Oct 2023 21:46:26 -0400
Subject: [PATCH 2/3] Update comment for CreatePointerBitCastOrAddrSpaceCast
---
llvm/include/llvm/IR/IRBuilder.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
index a32ec9a66fedfa8..a2fab842b1d0355 100644
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -2138,7 +2138,7 @@ class IRBuilderBase {
return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
}
- // With opaque pointers enabled, this is same as CreateAddressSpaceCast.
+ // With opaque pointers enabled, this can be substituted with
CreateAddrSpaceCast.
// TODO: Replace uses of this method and remove the method itself.
Value *CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy,
const Twine &Name = "") {
>From c5d41cdd2cb7d10661484932aab3ac1720d27f3b Mon Sep 17 00:00:00 2001
From: JOE1994 <joseph942...@gmail.com>
Date: Thu, 5 Oct 2023 21:59:10 -0400
Subject: [PATCH 3/3] git clang-format
---
llvm/include/llvm/IR/IRBuilder.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
index a2fab842b1d0355..7f842a733cf7198 100644
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -2138,7 +2138,8 @@ class IRBuilderBase {
return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
}
- // With opaque pointers enabled, this can be substituted with
CreateAddrSpaceCast.
+ // With opaque pointers enabled, this can be substituted with
+ // CreateAddrSpaceCast.
// TODO: Replace uses of this method and remove the method itself.
Value *CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy,
const Twine &Name = "") {
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