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Reland r229944: EH: Prune unreachable resume instructions during Dwarf EH preparation

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Fix the double-deletion of AnalysisResolver when delegating through to
Dwarf EH preparation by creating one from scratch. Hopefully the new
pass manager simplifies this.

This reverts commit r229952.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231719 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2015-03-09 22:45:16 +00:00
parent 9e065f52fc
commit 4c27f8d49e
9 changed files with 258 additions and 35 deletions
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test/CodeGen/X86/gcc_except_table.ll
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@@ -37,6 +37,7 @@ entry:
lpad:
%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
catch i8* bitcast (i8** @_ZTIi to i8*)
br label %eh.resume