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

[Julius Alexandre via llvm-commits]

================
@@ -774,13 +773,36 @@ define void @foo(ptr %arg0, ptr %arg1) {
   EXPECT_EQ(NewLd->getName(), "NewLd");
 
   sandboxir::LoadInst *NewVLd =
----------------
medievalghoul wrote:

fixed

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