6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-20 16:17:38 +00:00
Code Issues Projects Releases Wiki Activity

Add MachineInstr::tieOperands, remove setIsTied().

Browse Source 
Manage tied operands entirely internally to MachineInstr. This makes it
possible to change the representation of tied operands, as I will do
shortly.

The constraint that tied uses and defs must be in the same order was too
restrictive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163021 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-08-31 20:50:53 +00:00
parent 265bcb1e5b
commit 94083149fd
4 changed files with 31 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+2 -6
View File
@@ -945,12 +945,8 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
if (InlineAsm::isUseOperandTiedToDef(Flags, DefGroup)) {
unsigned DefIdx = GroupIdx[DefGroup] + 1;
unsigned UseIdx = GroupIdx.back() + 1;
for (unsigned j = 0; j != NumVals; ++j) {
assert(!MI->getOperand(DefIdx + j).isTied() &&
"Def is already tied to another use");
MI->getOperand(DefIdx + j).setIsTied();
MI->getOperand(UseIdx + j).setIsTied();
}
for (unsigned j = 0; j != NumVals; ++j)
MI->tieOperands(DefIdx + j, UseIdx + j);
}
}
break;