[llvm] [SandboxIR][NFC] Fixes for functions LoadInst::create (PR #100955)

[Julius Alexandre via llvm-commits]

https://github.com/medievalghoul created https://github.com/llvm/llvm-project/pull/100955

Changes were discussed here: https://github.com/llvm/llvm-project/pull/100850#discussion_r1694054361

cc: @vporpo 

>From 7d3a9347530ea506cc9638536212ffdb4dd01e95 Mon Sep 17 00:00:00 2001
From: medievalghoul <61852278+medievalghoul at users.noreply.github.com>
Date: Sun, 28 Jul 2024 20:42:04 -0400
Subject: [PATCH] [SandboxIR][NFC] Fixes for  functions

---
 llvm/include/llvm/SandboxIR/SandboxIR.h    | 11 +++++++--
 llvm/lib/SandboxIR/SandboxIR.cpp           | 27 ++++++++++++++++++++--
 llvm/unittests/SandboxIR/SandboxIRTest.cpp | 13 +++++------
 3 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/llvm/include/llvm/SandboxIR/SandboxIR.h b/llvm/include/llvm/SandboxIR/SandboxIR.h
index 667aeba1bda1f..3b5a17ccc9522 100644
--- a/llvm/include/llvm/SandboxIR/SandboxIR.h
+++ b/llvm/include/llvm/SandboxIR/SandboxIR.h
@@ -772,10 +772,17 @@ class LoadInst final : public Instruction {
   unsigned getNumOfIRInstrs() const final { return 1u; }
   static LoadInst *create(Type *Ty, Value *Ptr, MaybeAlign Align,
                           Instruction *InsertBefore, Context &Ctx,
-                          bool IsVolatile = false, const Twine &Name = "");
+                          const Twine &Name = "");
+  static LoadInst *create(Type *Ty, Value *Ptr, MaybeAlign Align,
+                          Instruction *InsertBefore, bool IsVolatile,
+                          Context &Ctx, const Twine &Name = "");
   static LoadInst *create(Type *Ty, Value *Ptr, MaybeAlign Align,
                           BasicBlock *InsertAtEnd, Context &Ctx,
-                          bool IsVolatile = false, const Twine &Name = "");
+                          const Twine &Name = "");
+  static LoadInst *create(Type *Ty, Value *Ptr, MaybeAlign Align,
+                          BasicBlock *InsertAtEnd, bool IsVolatile,
+                          Context &Ctx, const Twine &Name = "");
+
   /// For isa/dyn_cast.
   static bool classof(const Value *From);
   Value *getPointerOperand() const;
diff --git a/llvm/lib/SandboxIR/SandboxIR.cpp b/llvm/lib/SandboxIR/SandboxIR.cpp
index d2b4fb207ba3a..cf926de8a75bd 100644
--- a/llvm/lib/SandboxIR/SandboxIR.cpp
+++ b/llvm/lib/SandboxIR/SandboxIR.cpp
@@ -612,7 +612,19 @@ void BranchInst::dump() const {
 
 LoadInst *LoadInst::create(Type *Ty, Value *Ptr, MaybeAlign Align,
                            Instruction *InsertBefore, Context &Ctx,
-                           bool IsVolatile, const Twine &Name) {
+                           const Twine &Name) {
+  llvm::Instruction *BeforeIR = InsertBefore->getTopmostLLVMInstruction();
+  auto &Builder = Ctx.getLLVMIRBuilder();
+  Builder.SetInsertPoint(BeforeIR);
+  auto *NewLI = Builder.CreateAlignedLoad(Ty, Ptr->Val, Align,
+                                          /*IsVolatile=*/false, Name);
+  auto *NewSBI = Ctx.createLoadInst(NewLI);
+  return NewSBI;
+}
+
+LoadInst *LoadInst::create(Type *Ty, Value *Ptr, MaybeAlign Align,
+                           Instruction *InsertBefore, bool IsVolatile,
+                           Context &Ctx, const Twine &Name) {
   llvm::Instruction *BeforeIR = InsertBefore->getTopmostLLVMInstruction();
   auto &Builder = Ctx.getLLVMIRBuilder();
   Builder.SetInsertPoint(BeforeIR);
@@ -624,7 +636,18 @@ LoadInst *LoadInst::create(Type *Ty, Value *Ptr, MaybeAlign Align,
 
 LoadInst *LoadInst::create(Type *Ty, Value *Ptr, MaybeAlign Align,
                            BasicBlock *InsertAtEnd, Context &Ctx,
-                           bool IsVolatile, const Twine &Name) {
+                           const Twine &Name) {
+  auto &Builder = Ctx.getLLVMIRBuilder();
+  Builder.SetInsertPoint(cast<llvm::BasicBlock>(InsertAtEnd->Val));
+  auto *NewLI = Builder.CreateAlignedLoad(Ty, Ptr->Val, Align,
+                                          /*IsVolatile=*/false, Name);
+  auto *NewSBI = Ctx.createLoadInst(NewLI);
+  return NewSBI;
+}
+
+LoadInst *LoadInst::create(Type *Ty, Value *Ptr, MaybeAlign Align,
+                           BasicBlock *InsertAtEnd, bool IsVolatile,
+                           Context &Ctx, const Twine &Name) {
   auto &Builder = Ctx.getLLVMIRBuilder();
   Builder.SetInsertPoint(cast<llvm::BasicBlock>(InsertAtEnd->Val));
   auto *NewLI =
diff --git a/llvm/unittests/SandboxIR/SandboxIRTest.cpp b/llvm/unittests/SandboxIR/SandboxIRTest.cpp
index 122508d15194f..4ef867c2af418 100644
--- a/llvm/unittests/SandboxIR/SandboxIRTest.cpp
+++ b/llvm/unittests/SandboxIR/SandboxIRTest.cpp
@@ -750,13 +750,13 @@ define void @foo(ptr %arg0, ptr %arg1) {
   auto *BB = &*F->begin();
   auto It = BB->begin();
   auto *Ld = cast<sandboxir::LoadInst>(&*It++);
-  auto *Vld = cast<sandboxir::LoadInst>(&*It++);
+  auto *VLd = cast<sandboxir::LoadInst>(&*It++);
   auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
 
   // Check isVolatile()
   EXPECT_FALSE(Ld->isVolatile());
   // Check isVolatile()
-  EXPECT_TRUE(Vld->isVolatile());
+  EXPECT_TRUE(VLd->isVolatile());
   // Check getPointerOperand()
   EXPECT_EQ(Ld->getPointerOperand(), Arg0);
   // Check getAlign()
@@ -764,8 +764,7 @@ define void @foo(ptr %arg0, ptr %arg1) {
   // Check create(InsertBefore)
   sandboxir::LoadInst *NewLd =
       sandboxir::LoadInst::create(Ld->getType(), Arg1, Align(8),
-                                  /*InsertBefore=*/Ret, Ctx,
-                                  /*IsVolatile=*/false, "NewLd");
+                                  /*InsertBefore=*/Ret, Ctx, "NewLd");
   // Checking if create() was volatile
   EXPECT_FALSE(NewLd->isVolatile());
   EXPECT_EQ(NewLd->getType(), Ld->getType());
@@ -774,9 +773,9 @@ define void @foo(ptr %arg0, ptr %arg1) {
   EXPECT_EQ(NewLd->getName(), "NewLd");
 
   sandboxir::LoadInst *NewVLd =
-      sandboxir::LoadInst::create(Vld->getType(), Arg1, Align(8),
-                                  /*InsertBefore=*/Ret, Ctx,
-                                  /*IsVolatile=*/true, "NewVLd");
+      sandboxir::LoadInst::create(VLd->getType(), Arg1, Align(8),
+                                  /*InsertBefore=*/Ret,
+                                  /*IsVolatile=*/true, Ctx, "NewVLd");
 
   // Checking if create() was volatile
   EXPECT_TRUE(NewVLd->isVolatile());