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author | Dan Gohman <gohman@apple.com> | 2010-05-11 17:31:57 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-05-11 17:31:57 +0000 |
commit | ff7a562751604a9fe13efc75bd59622244b54d35 (patch) | |
tree | 20b7a3cacb1caf30c5a01d5aada920582459763e /include/llvm/Target/TargetLowering.h | |
parent | 651804c3d63a05f72221a6d133e5b344e6aaa093 (diff) | |
download | external_llvm-ff7a562751604a9fe13efc75bd59622244b54d35.zip external_llvm-ff7a562751604a9fe13efc75bd59622244b54d35.tar.gz external_llvm-ff7a562751604a9fe13efc75bd59622244b54d35.tar.bz2 |
Implement a bunch more TargetSelectionDAGInfo infrastructure.
Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103481 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target/TargetLowering.h')
-rw-r--r-- | include/llvm/Target/TargetLowering.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index e1209d3..5f9466b 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -1194,61 +1194,6 @@ public: return SDValue(); // this is here to silence compiler errors } - /// EmitTargetCodeForMemcpy - Emit target-specific code that performs a - /// memcpy. This can be used by targets to provide code sequences for cases - /// that don't fit the target's parameters for simple loads/stores and can be - /// more efficient than using a library call. This function can return a null - /// SDValue if the target declines to use custom code and a different - /// lowering strategy should be used. - /// - /// If AlwaysInline is true, the size is constant and the target should not - /// emit any calls and is strongly encouraged to attempt to emit inline code - /// even if it is beyond the usual threshold because this intrinsic is being - /// expanded in a place where calls are not feasible (e.g. within the prologue - /// for another call). If the target chooses to decline an AlwaysInline - /// request here, legalize will resort to using simple loads and stores. - virtual SDValue - EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl, - SDValue Chain, - SDValue Op1, SDValue Op2, - SDValue Op3, unsigned Align, bool isVolatile, - bool AlwaysInline, - const Value *DstSV, uint64_t DstOff, - const Value *SrcSV, uint64_t SrcOff) const { - return SDValue(); - } - - /// EmitTargetCodeForMemmove - Emit target-specific code that performs a - /// memmove. This can be used by targets to provide code sequences for cases - /// that don't fit the target's parameters for simple loads/stores and can be - /// more efficient than using a library call. This function can return a null - /// SDValue if the target declines to use custom code and a different - /// lowering strategy should be used. - virtual SDValue - EmitTargetCodeForMemmove(SelectionDAG &DAG, DebugLoc dl, - SDValue Chain, - SDValue Op1, SDValue Op2, - SDValue Op3, unsigned Align, bool isVolatile, - const Value *DstSV, uint64_t DstOff, - const Value *SrcSV, uint64_t SrcOff) const { - return SDValue(); - } - - /// EmitTargetCodeForMemset - Emit target-specific code that performs a - /// memset. This can be used by targets to provide code sequences for cases - /// that don't fit the target's parameters for simple stores and can be more - /// efficient than using a library call. This function can return a null - /// SDValue if the target declines to use custom code and a different - /// lowering strategy should be used. - virtual SDValue - EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl, - SDValue Chain, - SDValue Op1, SDValue Op2, - SDValue Op3, unsigned Align, bool isVolatile, - const Value *DstSV, uint64_t DstOff) const { - return SDValue(); - } - /// LowerOperationWrapper - This callback is invoked by the type legalizer /// to legalize nodes with an illegal operand type but legal result types. /// It replaces the LowerOperation callback in the type Legalizer. |