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(parent: 87b8cce) | patch
When replacing uses and the same node is reached
authorDuncan Sands <baldrick@free.fr>
Tue, 13 Jan 2009 15:17:14 +0000 (15:17 +0000)
committerDuncan Sands <baldrick@free.fr>
Tue, 13 Jan 2009 15:17:14 +0000 (15:17 +0000)
commit2ecf88d1751c847b87a7119bf34fff85a3d272e2
tree5ec8e6b6c0a5fcfc35f47789cbcb41b9c442453dtree | snapshot
parent87b8cce21cef3edab13ebebbf42387cd7b227224commit | diff
When replacing uses and the same node is reached
via two paths, process it once not twice, d'oh!
Analysis, testcase and original patch thanks to
Mon Ping Wang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62169 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeTypes.cpp diff | blob | history
test/CodeGen/X86/2009-01-13-DoubleUpdate.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors