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authorDuncan Sands <baldrick@free.fr>2010-11-17 04:05:21 +0000
committerDuncan Sands <baldrick@free.fr>2010-11-17 04:05:21 +0000
commit72313843d5f4b5d42114f0ea23c539ca76eff7c3 (patch)
tree1fc36eda923c9303b7b576ea0f772cc4452b541a /llvm/lib/Transforms/Utils/Local.cpp
parent761065e3b7d8d09a7d83470de7a7d857cd8f4c93 (diff)
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Remove dead code in GVN: now that SimplifyInstruction is called
systematically, CollapsePhi will always return null here. Note that CollapsePhi did an extra check, isSafeReplacement, which the SimplifyInstruction logic does not do. I think that check was bogus - I guess we will soon find out! (It was originally added in commit 41998 without a testcase). llvm-svn: 119456
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