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author | Eli Friedman <eli.friedman@gmail.com> | 2011-07-25 23:16:38 +0000 |
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committer | Eli Friedman <eli.friedman@gmail.com> | 2011-07-25 23:16:38 +0000 |
commit | 47f3513dd574535aeb40c9eb11134f0899e92269 (patch) | |
tree | 7bd91987ca00ee4d618fbfd6038c24a60362993e /lib/CodeGen | |
parent | 5a1cb644c903da49dc612a0ba5044505d066259e (diff) | |
download | llvm-47f3513dd574535aeb40c9eb11134f0899e92269.tar.gz llvm-47f3513dd574535aeb40c9eb11134f0899e92269.tar.bz2 llvm-47f3513dd574535aeb40c9eb11134f0899e92269.tar.xz |
Initial implementation of 'fence' instruction, the new C++0x-style replacement for llvm.memory.barrier.
This is just a LangRef entry and reading/writing/memory representation; optimizer+codegen support coming soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136009 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 4 | ||||
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index ba18465c0d..649a38aff0 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3211,6 +3211,10 @@ void SelectionDAGBuilder::visitStore(const StoreInst &I) { DAG.setRoot(StoreNode); } +void SelectionDAGBuilder::visitFence(const FenceInst &I) { + llvm_unreachable("Not implemented yet"); +} + /// visitTargetIntrinsic - Lower a call of a target intrinsic to an INTRINSIC /// node. void SelectionDAGBuilder::visitTargetIntrinsic(const CallInst &I, diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h index a0884ebf5d..d5d106b427 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h @@ -504,6 +504,7 @@ private: void visitAlloca(const AllocaInst &I); void visitLoad(const LoadInst &I); void visitStore(const StoreInst &I); + void visitFence(const FenceInst &I); void visitPHI(const PHINode &I); void visitCall(const CallInst &I); bool visitMemCmpCall(const CallInst &I); |