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Enable post-pass frame index register scavenging for ARM and Thumb2

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84585 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2009-10-20 01:26:58 +00:00
parent 161dcbf799
commit 7e831db1d4
3 changed files with 10 additions and 25 deletions
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5
lib/CodeGen/PrologEpilogInserter.cpp
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@@ -785,11 +785,6 @@ void PEI::scavengeFrameVirtualRegs(MachineFunction &Fn) {
if (Reg == 0)
continue;
if (!TargetRegisterInfo::isVirtualRegister(Reg)) {
// If we have an active scavenged register, we shouldn't be
// seeing any references to it.
assert (Reg != CurrentScratchReg
&& "overlapping use of scavenged frame index register!");
// If we have a previous scratch reg, check and see if anything
// here kills whatever value is in there.
if (Reg == PrevScratchReg) {