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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-05 15:18:18 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-05 15:18:18 +0000 |
commit | a2948ef5accab638371615f539ea9f9ec5ff5d03 (patch) | |
tree | 7094173d4feae4d1449a703725736e37243498a0 /include/llvm/CodeGen/SlotIndexes.h | |
parent | 0286ca89f0734a81c273e80732a573f619c7ace4 (diff) | |
download | llvm-a2948ef5accab638371615f539ea9f9ec5ff5d03.tar.gz llvm-a2948ef5accab638371615f539ea9f9ec5ff5d03.tar.bz2 llvm-a2948ef5accab638371615f539ea9f9ec5ff5d03.tar.xz |
Use std::unique instead of a SmallPtrSet to ensure unique instructions in UseSlots.
This allows us to always keep the smaller slot for an instruction which is what
we want when a register has early clobber defines.
Drop the UsingInstrs set and the UsingBlocks map. They are no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128886 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/SlotIndexes.h')
-rw-r--r-- | include/llvm/CodeGen/SlotIndexes.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h index 7cc31563b6..dc247132c8 100644 --- a/include/llvm/CodeGen/SlotIndexes.h +++ b/include/llvm/CodeGen/SlotIndexes.h @@ -178,6 +178,11 @@ namespace llvm { return getIndex() >= other.getIndex(); } + /// isSameInstr - Return true if A and B refer to the same instruction. + static bool isSameInstr(SlotIndex A, SlotIndex B) { + return A.lie.getPointer() == B.lie.getPointer(); + } + /// Return the distance from this index to the given one. int distance(SlotIndex other) const { return other.getIndex() - getIndex(); |