Anna Thomas 3087bcdef2 [SafepointIRVerifier] Add verifier pass for finding GC relocation bugs ... Original Patch and summary by Philip Reames. RewriteStatepointsForGC tries to rewrite a function in a manner where the optimizer can't end up using a pointer value after it might have been relocated by a safepoint. This pass checks the invariant that RSForGC is supposed to establish and that (if we constructed semantics correctly) later passes must preserve. This has been a really useful diagnostic tool when initially developing the rewriting scheme and has found numerous bugs. Differential Revision: https://reviews.llvm.org/D15940 Reviewed by: swaroop.sridhar, mjacob Subscribers: llvm-commits git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307112 91177308-0d34-0410-b5e6-96231b3b80d8		2017-07-05 01:16:29 +00:00
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basic-use-after-reloc.ll
constant-bases.ll
unrecorded-live-at-sp.ll
uses-in-phi-nodes.ll