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Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-01-20 19:12:24 +00:00
parent a913f4fca9
commit 04ee5a1d92
32 changed files with 161 additions and 127 deletions
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5
lib/Target/XCore/XCoreInstrInfo.cpp
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@@ -49,7 +49,10 @@ static bool isZeroImm(const MachineOperand &op) {
/// leave the source and dest operands in the passed parameters.
///
bool XCoreInstrInfo::isMoveInstr(const MachineInstr &MI,
unsigned &SrcReg, unsigned &DstReg) const {
unsigned &SrcReg, unsigned &DstReg,
unsigned &SrcSR, unsigned &DstSR) const {
SrcSR = DstSR = 0; // No sub-registers.
// We look for 4 kinds of patterns here:
// add dst, src, 0
// sub dst, src, 0