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Xform bitconvert(build_pair(load a, load b)) to a single load if the load locations are at the right offset from each other.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51008 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-05-12 23:04:07 +00:00
parent 38eb9f9ae6
commit 9bfa03c6fd
6 changed files with 63 additions and 75 deletions
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2
include/llvm/Target/TargetLowering.h
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@@ -691,7 +691,7 @@ public:
/// loading 'Bytes' bytes from a location that is 'Dist' units away from the
/// location that the 'Base' load is loading from.
bool isConsecutiveLoad(SDNode *LD, SDNode *Base, unsigned Bytes, int Dist,
MachineFrameInfo *MFI) const;
const MachineFrameInfo *MFI) const;
/// PerformDAGCombine - This method will be invoked for all target nodes and
/// for any target-independent nodes that the target has registered with