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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-14 01:39:36 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-14 01:39:36 +0000 |
| commit | 194eb71a11a77c7fb576780783a77e64924dfb10 (patch) | |
| tree | 957dfb646ac0dc23805ee7c542050c37dbd8eed3 /lib/CodeGen/LiveInterval.cpp | |
| parent | b5856c83ff4fd796c3eabccca2ed3b06173aeb51 (diff) | |
| download | llvm-194eb71a11a77c7fb576780783a77e64924dfb10.tar.gz llvm-194eb71a11a77c7fb576780783a77e64924dfb10.tar.bz2 llvm-194eb71a11a77c7fb576780783a77e64924dfb10.tar.xz | |
Use getVNInfoBefore() when it makes sense.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144517 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveInterval.cpp')
| -rw-r--r-- | lib/CodeGen/LiveInterval.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp index 42e122efbe..a85639f9c1 100644 --- a/lib/CodeGen/LiveInterval.cpp +++ b/lib/CodeGen/LiveInterval.cpp @@ -680,15 +680,14 @@ unsigned ConnectedVNInfoEqClasses::Classify(const LiveInterval *LI) { // Connect to values live out of predecessors. for (MachineBasicBlock::const_pred_iterator PI = MBB->pred_begin(), PE = MBB->pred_end(); PI != PE; ++PI) - if (const VNInfo *PVNI = - LI->getVNInfoAt(LIS.getMBBEndIdx(*PI).getPrevSlot())) + if (const VNInfo *PVNI = LI->getVNInfoBefore(LIS.getMBBEndIdx(*PI))) EqClass.join(VNI->id, PVNI->id); } else { // Normal value defined by an instruction. Check for two-addr redef. // FIXME: This could be coincidental. Should we really check for a tied // operand constraint? // Note that VNI->def may be a use slot for an early clobber def. - if (const VNInfo *UVNI = LI->getVNInfoAt(VNI->def.getPrevSlot())) + if (const VNInfo *UVNI = LI->getVNInfoBefore(VNI->def)) EqClass.join(VNI->id, UVNI->id); } } |