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Fixed a bug in MergeValueInAsValue() pointed out by David Greene. Replace val# with previous liverange's.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-01-30 22:44:55 +00:00
parent 965d1b4bba
commit 294e652491
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/LiveInterval.cpp
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@ -402,9 +402,9 @@ void LiveInterval::MergeValueInAsValue(const LiveInterval &RHS,
IP = std::upper_bound(IP, end(), Start);
// If the start of this range overlaps with an existing liverange, trim it.
if (IP != begin() && IP[-1].end > Start) {
if (IP->valno != LHSValNo) {
ReplacedValNos.push_back(IP->valno);
IP->valno = LHSValNo; // Update val#.
if (IP[-1].valno != LHSValNo) {
ReplacedValNos.push_back(IP[-1].valno);
IP[-1].valno = LHSValNo; // Update val#.
}
Start = IP[-1].end;
// Trimmed away the whole range?