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| author | Owen Anderson <resistor@mac.com> | 2011-01-04 19:10:54 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-01-04 19:10:54 +0000 |
| commit | 83546f2fe0514f5fe84349cf1d7ece623875bc7a (patch) | |
| tree | 77e923136a22562fd3a3e30ab4e3267c2009ed64 /llvm/lib | |
| parent | a71d2cc88d9e2da576feeb8162a68d1827c4102a (diff) | |
| download | bcm5719-llvm-83546f2fe0514f5fe84349cf1d7ece623875bc7a.tar.gz bcm5719-llvm-83546f2fe0514f5fe84349cf1d7ece623875bc7a.zip | |
When removing a value from GVN's leaders list, don't drop the Next pointer in a corner case.
llvm-svn: 122822
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GVN.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index cf82ebc027f..c78c4c308cb 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/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); |
