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Adding kill info to val#.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-08-08 07:03:29 +00:00
parent c5f6a1f9d6
commit 24c2e5cf7e
2 changed files with 25 additions and 3 deletions
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include/llvm/CodeGen/LiveInterval.h
+15
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@@ -166,8 +166,23 @@ namespace llvm {
/// addKillForValNum - Add a kill instruction index to the specified value
/// number.
void addKillForValNum(unsigned ValNo, unsigned KillIdx) {
assert(ValNo < ValueNumberInfo.size());
ValueNumberInfo[ValNo].kills.push_back(KillIdx);
}
/// replaceKillForValNum - Replace a kill index of the specified value with
/// a new kill index.
bool replaceKillForValNum(unsigned ValNo, unsigned OldKill,
unsigned NewKill) {
SmallVector<unsigned, 4> kills = ValueNumberInfo[ValNo].kills;
SmallVector<unsigned, 4>::iterator I =
std::find(kills.begin(), kills.end(), OldKill);
if (I == kills.end())
return false;
kills.erase(I);
kills.push_back(NewKill);
return true;
}
VNInfo getValNumInfo(unsigned ValNo) const {
assert(ValNo < ValueNumberInfo.size());