maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[SelectionDAG] Add some comments to ISDOpcodes.h about the operands of MLOAD, MSTORE, MGATHER, MSCATTER. NFC 

llvm-svn: 340898
This commit is contained in:
Craig Topper 2018-08-29 04:45:32 +00:00
parent b2fef1a0b0
commit 6b03f267b0
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/include/llvm/CodeGen/ISDOpcodes.h
View File

@ -786,11 +786,20 @@ namespace ISD {
// Masked load and store - consecutive vector load and store operations
// with additional mask operand that prevents memory accesses to the
// masked-off lanes.
//
// Val, OutChain = MLOAD(BasePtr, Mask, PassThru)
// OutChain = MSTORE(Value, BasePtr, Mask)
MLOAD, MSTORE,
// Masked gather and scatter - load and store operations for a vector of
// random addresses with additional mask operand that prevents memory
// accesses to the masked-off lanes.
//
// Val, OutChain = GATHER(InChain, PassThru, Mask, BasePtr, Index, Scale)
// OutChain = SCATTER(InChain, Value, Mask, BasePtr, Index, Scale)
//
// The Index operand can have more vector elements than the other operands
// due to type legalization. The extra elements are ignored.
MGATHER, MSCATTER,
/// This corresponds to the llvm.lifetime.* intrinsics. The first operand