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[SelectionDAG] Check membership of register in class for single

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register constraints. NFCI.

Now that X86's ST(7) constraints are fixed this check can be
reinstated.

llvm-svn: 351207
This commit is contained in:
Nirav Dave 2019-01-15 17:09:23 +00:00
parent 1b5f360df9
commit 6b675fa793
1 changed files with 1 additions and 6 deletions
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7
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -7429,13 +7429,8 @@ static void GetRegistersForValue(SelectionDAG &DAG, const SDLoc &DL,
// Do not check for single registers. // Do not check for single registers.
if (AssignedReg) { if (AssignedReg) {
Regs.push_back(AssignedReg);
--NumRegs;
if (NumRegs) {
for (; *I != AssignedReg; ++I) for (; *I != AssignedReg; ++I)
assert(I != RC->end() && "Didn't find reg!"); assert(I != RC->end() && "AssignedReg should be member of RC");
++I;
}
} }
for (; NumRegs; --NumRegs, ++I) { for (; NumRegs; --NumRegs, ++I) {