From 6de76f8a6ff5fe5c842ecc2b7ab4229ee8a53b25 Mon Sep 17 00:00:00 2001
From: Prakalp Srivastava <psrivas2@illinois.edu>
Date: Sat, 5 Mar 2016 20:35:50 -0600
Subject: [PATCH] Added malloc intrinsic in IntrinsicsVISC.td and barrier code
gen to NVPTX pass
---
llvm/include/llvm/IR/IntrinsicsVISC.td | 3 +++
.../DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp | 21 ++++++++++++++++++-
2 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/llvm/include/llvm/IR/IntrinsicsVISC.td b/llvm/include/llvm/IR/IntrinsicsVISC.td
index 2dcd8a2f33..7f56304384 100644
--- a/llvm/include/llvm/IR/IntrinsicsVISC.td
+++ b/llvm/include/llvm/IR/IntrinsicsVISC.td
@@ -174,4 +174,7 @@ let TargetPrefix = "visc" in {
*/
def int_visc_getVectorLength : Intrinsic<[llvm_i32_ty], [], []>;
+ /* ============ Atomic intrinsics ============= */
+
+
}
diff --git a/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp b/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
index fa99523df4..942b79f686 100644
--- a/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
+++ b/llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp
@@ -954,7 +954,7 @@ void CGT_NVPTX::codeGen(DFLeafNode* N) {
assert(!BuildDFG::isViscLaunchIntrinsic(I) && "Launch intrinsic within a dataflow graph!");
assert(!BuildDFG::isViscGraphIntrinsic(I) && "VISC graph intrinsic within a leaf dataflow node!");
- if (BuildDFG::isViscQueryIntrinsic(I)) {
+ if (BuildDFG::isViscIntrinsic(I)) {
IntrinsicInst* II = dyn_cast<IntrinsicInst>(I);
IntrinsicInst* ArgII;
DFNode* ArgDFNode;
@@ -1159,6 +1159,25 @@ void CGT_NVPTX::codeGen(DFLeafNode* N) {
IItoRemove.push_back(II);
}
break;
+ case Intrinsic::visc_barrier:
+ {
+ errs() << F_nvptx->getName() << "\t: Handling barrier\n";
+ errs() << "Substitute with barrier()\n";
+ errs() << *II << "\n";
+ FunctionType* FT =
+ FunctionType::get(Type::getVoidTy(getGlobalContext() /*KernelM.getContext()*/),
+ std::vector<Type*>(1, Type::getInt32Ty(getGlobalContext() /*KernelM.getContext()*/)),
+ false);
+ Function* OpenCLFunction = cast<Function>
+ (KernelM.getOrInsertFunction(StringRef("barrier"), FT));
+ CallInst* CI = CallInst::Create(OpenCLFunction,
+ ArrayRef<Value*>(ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 1)),
+ "", II);
+ II->replaceAllUsesWith(CI);
+ IItoRemove.push_back(II);
+
+ }
+ break;
default:
assert(false && "Unknown VISC Intrinsic!");
break;
--
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