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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-13 16:47:56 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-13 16:47:56 +0000 |
| commit | ee5655dca467d3812145a2f965c31edf4875c93e (patch) | |
| tree | b0add16964b529f5c8b9f66365defa013d3d8152 /lib/CodeGen/LiveRangeCalc.cpp | |
| parent | c1c622ef0dd29d1bafd580790aec5231af50abf2 (diff) | |
| download | llvm-ee5655dca467d3812145a2f965c31edf4875c93e.tar.gz llvm-ee5655dca467d3812145a2f965c31edf4875c93e.tar.bz2 llvm-ee5655dca467d3812145a2f965c31edf4875c93e.tar.xz | |
Switch extendInBlock() to take a kill slot instead of the last use slot.
Three out of four clients prefer this interface which is consistent with
extendIntervalEndTo() and LiveRangeCalc::extend().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139604 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveRangeCalc.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeCalc.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/LiveRangeCalc.cpp b/lib/CodeGen/LiveRangeCalc.cpp index eedf924388..a7d5af5198 100644 --- a/lib/CodeGen/LiveRangeCalc.cpp +++ b/lib/CodeGen/LiveRangeCalc.cpp @@ -63,13 +63,12 @@ void LiveRangeCalc::extend(LiveInterval *LI, assert(Kill.isValid() && "Invalid SlotIndex"); assert(Indexes && "Missing SlotIndexes"); assert(DomTree && "Missing dominator tree"); - SlotIndex LastUse = Kill.getPrevSlot(); - MachineBasicBlock *KillMBB = Indexes->getMBBFromIndex(LastUse); + MachineBasicBlock *KillMBB = Indexes->getMBBFromIndex(Kill.getPrevSlot()); assert(Kill && "No MBB at Kill"); // Is there a def in the same MBB we can extend? - if (LI->extendInBlock(Indexes->getMBBStartIdx(KillMBB), LastUse)) + if (LI->extendInBlock(Indexes->getMBBStartIdx(KillMBB), Kill)) return; // Find the single reaching def, or determine if Kill is jointly dominated by @@ -134,7 +133,7 @@ VNInfo *LiveRangeCalc::findReachingDefs(LiveInterval *LI, // First time we see Pred. Try to determine the live-out value, but set // it as null if Pred is live-through with an unknown value. - VNInfo *VNI = LI->extendInBlock(Start, End.getPrevSlot()); + VNInfo *VNI = LI->extendInBlock(Start, End); setLiveOutValue(Pred, VNI); if (VNI) { if (TheVNI && TheVNI != VNI) |