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| author | Jim Grosbach <grosbach@apple.com> | 2010-05-27 18:52:11 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-05-27 18:52:11 +0000 |
| commit | 92eafd90273fe162d82b1927d2c237f6b5e0ce64 (patch) | |
| tree | 27c54bdc80bc2986f60278f2e216695387ca3c4b | |
| parent | 41a10c344aa0d0ccec8fac148ebf41c5fbd36450 (diff) | |
| download | external_llvm-92eafd90273fe162d82b1927d2c237f6b5e0ce64.zip external_llvm-92eafd90273fe162d82b1927d2c237f6b5e0ce64.tar.gz external_llvm-92eafd90273fe162d82b1927d2c237f6b5e0ce64.tar.bz2 | |
hook ISD::STACKADDR to an intrinsic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104869 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Intrinsics.td | 5 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td index 444f514..42c16c3 100644 --- a/include/llvm/Intrinsics.td +++ b/include/llvm/Intrinsics.td @@ -197,12 +197,13 @@ def int_gcwrite : Intrinsic<[], def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; def int_frameaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; -// Note: we treat stacksave/stackrestore as writemem because we don't otherwise -// model their dependencies on allocas. +// Note: we treat stacksave/stackrestore and stackaddr as writemem because we +// don't otherwise model their dependencies on allocas. def int_stacksave : Intrinsic<[llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_save">; def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_restore">; +def int_stackaddress : Intrinsic<[llvm_ptr_ty], []>; // IntrWriteArgMem is more pessimistic than strictly necessary for prefetch, // however it does conveniently prevent the prefetch from being reordered diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index fbe601f..a0cd232 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3756,6 +3756,10 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { setValue(&I, DAG.getNode(ISD::FRAMEADDR, dl, TLI.getPointerTy(), getValue(I.getOperand(1)))); return 0; + case Intrinsic::stackaddress: + setValue(&I, DAG.getNode(ISD::STACKADDR, dl, TLI.getPointerTy(), getRoot(), + getValue(I.getOperand(1)))); + return 0; case Intrinsic::setjmp: return "_setjmp"+!TLI.usesUnderscoreSetJmp(); case Intrinsic::longjmp: |