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When removing a value from GVN's leaders list, don't drop the Next pointer in a corne...
author
Owen Anderson
<resistor@mac.com>
Tue, 4 Jan 2011 19:10:54 +0000
(19:10 +0000)
committer
Owen Anderson
<resistor@mac.com>
Tue, 4 Jan 2011 19:10:54 +0000
(19:10 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122822
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/Scalar/GVN.cpp
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diff --git
a/lib/Transforms/Scalar/GVN.cpp
b/lib/Transforms/Scalar/GVN.cpp
index cf82ebc027f805ae97fb483018d9e7761b6dedb2..c78c4c308cbe92e4af1e037a48f1b883a5d272ee 100644
(file)
--- a/
lib/Transforms/Scalar/GVN.cpp
+++ b/
lib/Transforms/Scalar/GVN.cpp
@@
-466,6
+466,7
@@
namespace {
NumberTableEntry* Next = Curr->Next;
Curr->Val = Next->Val;
Curr->BB = Next->BB;
+ Curr->Next = Next->Next;
}
}
}
@@
-1693,7
+1694,7
@@
bool GVN::processInstruction(Instruction *I,
return false;
}
-
+
uint32_t NextNum = VN.getNextUnusedValueNumber();
unsigned Num = VN.lookup_or_add(I);