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8d73ea30c1
Fix for https://bugs.llvm.org/show_bug.cgi?id=38807, which occurred while compiling SemaTemplateInstantiate.cpp with clang and GVNHoist enabled. In the following example: 1=def(entry) / \ 2=def(1) 4=def(1) 3=def(2) 5=def(4) When removing the MemoryDef 2=def(1) from its basic block, and just before adding it to the end of the parent basic block, we first replace all its uses with the defining memory access: 3=def(2) -> 3=def(1) Then we call insertDef for adding 2=def(1) to the parent basic block, where we replace the uses of 1=def(entry) with 2=def(1). Doing so we create a self reference: 2=def(1) -> 2=def(2) (bad) 3=def(1) -> 3=def(2) (ok) 4=def(1) -> 4=def(2) (ok) Differential Revision: https://reviews.llvm.org/D51801 llvm-svn: 341947 |
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| .. | ||
| hoist-call.ll | ||
| hoist-convergent.ll | ||
| hoist-inline.ll | ||
| hoist-md.ll | ||
| hoist-more-than-two-branches.ll | ||
| hoist-mssa.ll | ||
| hoist-newgvn.ll | ||
| hoist-pr20242.ll | ||
| hoist-pr22005.ll | ||
| hoist-pr28606.ll | ||
| hoist-pr28933.ll | ||
| hoist-pr31891.ll | ||
| hoist-recursive-geps.ll | ||
| hoist-simplify-phi.ll | ||
| hoist-unsafe-pr31729.ll | ||
| hoist-very-busy.ll | ||
| hoist.ll | ||
| infinite-loop-direct.ll | ||
| infinite-loop-indirect.ll | ||
| int_sideeffect.ll | ||
| ld_hoist1.ll | ||
| ld_hoist_st_sink.ll | ||
| non-trivial-phi.ll | ||
| pr28626.ll | ||
| pr29031.ll | ||
| pr29034.ll | ||
| pr30216.ll | ||
| pr30499.ll | ||
| pr35222-hoist-load.ll | ||
| pr36787.ll | ||
| pr37445.ll | ||
| pr37808.ll | ||
| pr38807.ll | ||