search for: insertvalueinst

...example, this: > > %t0 = insertvalue { i32, i32 } undef, i32 %a, 0 > %t1 = insertvalue { i32, i32 } %t0, i32 %b, 1 > > creates the value with %a and %b as member values. Is there anyway to do it using the C++ API? It seems I need an instance of the aggregate type to pass into InsertValueInst::Create(). What is the API equivalent of "undef"? Marc On Wed, Jul 2, 2008 at 6:54 PM, Dan Gohman <gohman at apple.com> wrote: > Hello, > > The basic infrastructure is in place. You can create first-class > structs/arrays using sequences of insertvalue. > > For...

Hello, The basic infrastructure is in place. You can create first-class structs/arrays using sequences of insertvalue. For example, this: %t0 = insertvalue { i32, i32 } undef, i32 %a, 0 %t1 = insertvalue { i32, i32 } %t0, i32 %b, 1 creates the value with %a and %b as member values. Other ways to produce aggregate values are loads, function arguments, function return values, and literal

...al instruction classes override getType() when the instruction always creates a particular type of value. For example, the result of insertelement is always a vector, so InsertElementInst overrides getType() to return a VectorType*. This makes perfect sense. However, ExtractValueInst and InsertValueInst override getType() to return a PointerType*, which does not make sense and is in fact never correct for the latter instruction; this is probably a relic of an oversight during class creation. So this patch simply removes these overrides, which I suppose is technically an API change. John...

...Start with an empty struct. Value *Return = ConstantAggregateZero::get(NRetTy); DEBUG(errs() << "Return: " << *Return->getType() << '\n'); // Insert the original return value in field 0 Return = InsertValueInst::Create(Return, RI->getOperand(0), 0, "ret", RI); DEBUG(errs() << "Return: " << *Return->getType() << '\n'); // Insert the globals return value in field 1 Return = InsertValueInst::Create(Return, Lo...

...uble %y, 1 ret { i64, double } %b } See the LangRef.html for details on the insertvalue instruction. The -march=cpp backend in SVN trunk supports this too. Also in svn trunk, if you're using the IRBuilder interface you can use the CreateAggregateRet method, which takes care of creating the InsertValueInsts for you. Dan

...gt; } > > See the LangRef.html for details on the insertvalue instruction. > The -march=cpp backend in SVN trunk supports this too. > > Also in svn trunk, if you're using the IRBuilder interface > you can use the CreateAggregateRet method, which takes care of > creating the InsertValueInsts for you. > > Dan > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >

...(for example, if the constant is a ConstantStruct), so be careful not to assume that a constant derivation maps to a single instruction. The case for ConstantExpr is probably the longest, but there aren't actually that many cases: you just have GetElementPtrInst, CastInst, CmpInst, SelectInst, InsertValueInst, and ExtractValueInst (assuming you wouldn't try to prove the legality for anything involving ptrtoint). (Okay, that list ended up a bit longer than I expected, but it still isn't that long.) -Eli

Greetings, I'm working on getting our compiler's interface to LLVM to mimic the way the LLVM-GCC inserts instructions to generate AMD64 ABI compliant code. I'm trying to create ret i64 %mrv, double %double_mrv37 which is basically what LLVM-GCC puts out. However if I use lcc -march=cpp to get the API code I need it has the following line:

...the LangRef.html for details on the insertvalue instruction. >> The -march=cpp backend in SVN trunk supports this too. >> >> Also in svn trunk, if you're using the IRBuilder interface >> you can use the CreateAggregateRet method, which takes care of >> creating the InsertValueInsts for you. >> >> Dan >> >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > > _____________________...

...Start with an empty struct. Value *Return = ConstantAggregateZero::get(NRetTy); DEBUG(errs() << "Return: " << *Return->getType() << '\n'); // Insert the original return value in field 0 Return = InsertValueInst::Create(Return, RI->getOperand(0), 0, "ret", RI); DEBUG(errs() << "Return: " << *Return->getType() << '\n'); // Insert the globals return value in field 1 Return = InsertValueInst::Create(Return, Lo...

I'm now writing a pass and I wanna ask a question about how to duplicate the function and add duplicated arguments in llvm, for example: func(int a, char *b) -> func(int a, char *b, int a1, char *b1) I'm now stuck at using "getOrInsertFunction" and how to handle "getArgumentList", please share your opinion, thanks a lot! James

Hi, I've been struggling with constantexprs for a bit. I'm working on a pass that transforms global variables to local variables, and in particular the GetElementPtrConstantExpr is a bit troublesome. For my transformation to properly work, a global value should only be used by Instructions, not by ConstantExprs. I was thinking to add a ConstantExpr::replaceWithInstr() virtual method,

Oh, no. I should have been more clear. The patch was not rejected, just lost in the daily shuffle. I already have my employer's approval to send this upstream, so I will prepare a patch against trunk this morning. > I proposed a similar patch to LLVM (left circular shift) around 10/2011. > > Parts of my patch did make it into trunk about a year after, but others > > did not.

On Monday, July 30, 2012 12:16 AM, Cameron McInally wrote: > Hey Andy, > > I proposed a similar patch to LLVM (left circular shift) around 10/2011. > Parts of my patch did make it into trunk about a year after, but others > did not. > > At that time, my solution was to add a binary operator to the IRBuilder, > since LCS fits in nicely with the other shift operators. But,

.../ extract from vector -HANDLE_OTHER_INST(54, InsertElement, InsertElementInst) // insert into vector -HANDLE_OTHER_INST(55, ShuffleVector, ShuffleVectorInst) // shuffle two vectors. -HANDLE_OTHER_INST(56, ExtractValue, ExtractValueInst)// extract from aggregate -HANDLE_OTHER_INST(57, InsertValue, InsertValueInst) // insert into aggregate -HANDLE_OTHER_INST(58, LandingPad, LandingPadInst) // Landing pad instruction. - LAST_OTHER_INST(58) + FIRST_OTHER_INST(46) +HANDLE_OTHER_INST(46, ICmp , ICmpInst ) // Integer comparison instruction +HANDLE_OTHER_INST(47, FCmp , FCmpInst ) // Floating point co...