From 999ce28bab99ac738e8ef35ab51138134d6c9d54 Mon Sep 17 00:00:00 2001
From: Prakalp Srivastava <psrivas2@illinois.edu>
Date: Wed, 16 Mar 2016 19:52:34 -0500
Subject: [PATCH] Implemented translation of floor intrinsic in PTX backend
---
llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp b/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
index 53850c98c2..9c0476ff52 100644
--- a/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
+++ b/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
@@ -1379,6 +1379,7 @@ void CGT_NVPTX::codeGen(DFLeafNode* N) {
}
case Intrinsic::floor:
{
+ errs() << "Found floor intrinsic\n";
F = Intrinsic::getDeclaration(&KernelM, Intrinsic::nvvm_floor_f);
FunctionType* FTy = F->getFunctionType();
DEBUG(errs() << *F << "\n");
@@ -1400,6 +1401,12 @@ void CGT_NVPTX::codeGen(DFLeafNode* N) {
}
args.push_back(V);
}
+ // Insert call instruction
+ CallInst* Inst = CallInst::Create(F, args,
+ F->getReturnType()->isVoidTy()? "" : CI->getName(), CI);
+ DEBUG(errs() << "\tSubstitute with: " << *Inst << "\n");
+ CI->replaceAllUsesWith(Inst);
+ IItoRemove.push_back(II);
break;
}
default:
--
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