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Hal Finkel 89ba3023da Fix a use-after-free error in GlobalOpt CleanupConstantGlobalUsers

GlobalOpt's CleanupConstantGlobalUsers function uses a worklist array to manage
constant users to be visited. The pointers in this array need to be weak
handles because when we delete a constant array, we may also be holding a
pointer to one of its elements (or an element of one of its elements if we're
dealing with an array of arrays) in the worklist.

Fixes PR17347.

llvm-svn: 197178

2013-12-12 20:45:24 +00:00

2004-10-10-CastStoreOnce.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2005-06-15-LocalizeConstExprCrash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2005-09-27-Crash.ll

Land the long talked about "type system rewrite" patch. This

2011-07-09 17:41:24 +00:00

2006-07-07-InlineAsmCrash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2006-11-01-ShrinkGlobalPhiCrash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-04-05-Crash.ll

manually upgrade a bunch of tests to modern syntax, and remove some that

2011-06-17 03:14:27 +00:00

2007-05-13-Crash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-06-04-PackedStruct.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-11-09-GEP-GEP-Crash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2008-01-03-Crash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2008-01-13-OutOfRangeSROA.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

2008-01-29-VolatileGlobal.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

2008-04-26-SROA-Global-Align.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

2008-07-17-addrspace.ll

Quote potential shell expansions found in tests

2013-10-28 23:37:45 +00:00

2008-12-16-HeapSRACrash-2.ll

manually upgrade a bunch of tests to modern syntax, and remove some that

2011-06-17 03:14:27 +00:00

2008-12-16-HeapSRACrash.ll

manually upgrade a bunch of tests to modern syntax, and remove some that

2011-06-17 03:14:27 +00:00

2009-01-13-phi-user.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

2009-02-15-BitcastAlias.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2009-02-15-ResolveAlias.ll

Fixup to r186268 and r186269: don't append -LABEL to CHECK-NOT. No functionality change.

2013-07-14 02:10:57 +00:00

2009-03-05-dbg.ll

Debug Info Testing: update context from empty string to null.

2013-09-08 03:11:54 +00:00

2009-03-06-Anonymous.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2009-03-07-PromotePtrToBool.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

2009-06-01-RecursivePHI.ll

Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.

2009-11-07 00:16:28 +00:00

2009-11-16-BrokenPerformHeapAllocSRoA.ll

Teach globalopt to not nuke all stores to globals. Keep them around of they

2012-07-24 07:21:08 +00:00

2009-11-16-MallocSingleStoreToGlobalVar.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

2010-02-25-MallocPromote.ll

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 02:33:22 +00:00

2010-02-26-MallocSROA.ll

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 02:33:22 +00:00

2010-10-19-WeakOdr.ll

GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals.

2010-10-19 16:47:23 +00:00

2011-04-09-EmptyGlobalCtors.ll

Add back a couple checks removed by r129128; the fact that an intitializer

2011-04-09 09:11:09 +00:00

2012-05-11-blockaddress.ll

Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change.

2013-07-14 01:50:49 +00:00

alias-resolve.ll

Always remove an alias when we rename the target.

2013-06-12 16:45:47 +00:00

alias-used.ll

s/compiler_used/compiler.used/.

2013-07-19 18:44:51 +00:00

array-elem-refs.ll

Fix a use-after-free error in GlobalOpt CleanupConstantGlobalUsers

2013-12-12 20:45:24 +00:00

atexit.ll

GlobalOpt: fix an issue where CXAAtExitFn points to a deleted function.

2013-05-14 21:52:44 +00:00

atomic.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

basictest.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

blockaddress.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

cleanup-pointer-root-users.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

compiler-used.ll

Don't crash when llvm.compiler.used becomes empty.

2013-07-20 23:33:15 +00:00

constantexpr-dangle.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

constantfold-initializers.ll

Fix a crash on valid (if UB) bitcode that is produced for some global

2012-04-24 18:42:47 +00:00

crash-2.ll

Use a worklist to avoid a sneaky iterator invalidation.

2013-04-02 08:16:45 +00:00

crash.ll

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 02:33:22 +00:00

ctor-list-opt-constexpr.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

ctor-list-opt-inbounds.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

ctor-list-opt.ll

Reduce and merge testcases.

2011-01-16 09:13:31 +00:00

cxx-dtor.ll

GlobalOpt: Be more aggressive about elminating side-effect free static dtors.

2012-02-09 14:26:06 +00:00

deadfunction.ll

Refactor code from inlining and globalopt that checks whether a function definition is unused, and enhance it so it can tell that functions which are only used by a blockaddress are in fact dead. This probably doesn't happen much on most code, but the Linux kernel's _THIS_IP_ can trigger this issue with blockaddress. (GlobalDCE can also handle the given tescase, but we only run that at -O3.) Found while looking at PR11180.

2011-10-20 05:23:42 +00:00

deadglobal-2.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

deadglobal.ll

Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change.

2013-07-14 01:50:49 +00:00

externally-initialized-global-ctr.ll

Added missing newline to end of test case.

2013-02-05 19:39:44 +00:00

globalsra-partial.ll

Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test

2009-11-03 15:29:06 +00:00

globalsra-unknown-index.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

globalsra.ll

Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test

2009-11-03 15:29:06 +00:00

heap-sra-1.ll

Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.

2009-11-07 00:16:28 +00:00

heap-sra-2.ll

Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.

2009-11-07 00:16:28 +00:00

heap-sra-3.ll

fix two bogus tests that the asmparser now rejects.

2009-12-30 05:54:51 +00:00

heap-sra-4.ll

Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.

2009-11-07 00:16:28 +00:00

heap-sra-phi.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

integer-bool.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

invariant-nodatalayout.ll

Check that TD isn't NULL before dereferencing it down this path.

2013-07-25 02:55:14 +00:00

invariant.ll

Check for the correct size in the invariant marker.

2012-02-20 23:32:26 +00:00

invoke.ll

Teach globalopt how to evaluate an invoke with a non-void return type.

2012-03-13 18:01:37 +00:00

iterate.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

load-store-global.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

malloc-promote-1.ll

Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.

2009-11-07 00:16:28 +00:00

malloc-promote-2.ll

Trim tests and convert to FileCheck.

2010-04-14 20:22:17 +00:00

malloc-promote-3.ll

Respect the 'nobuiltin' attribute when determining if a call is to a memory builtin.

2013-05-16 04:12:04 +00:00

memcpy.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

memset-null.ll

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 01:28:40 +00:00

memset.ll

rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is

2011-06-18 06:05:24 +00:00

metadata.ll

Revert r191834 until we measure the effect of this benchmarks and maybe find a better way to fix it

2013-10-07 19:03:24 +00:00

phi-select.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

storepointer-compare.ll

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

storepointer.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

tls.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

trivialstore.ll

Use opt -S instead of piping bitcode output through llvm-dis.

2009-09-08 22:34:10 +00:00

undef-init.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

unnamed-addr.ll

Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.

2013-10-27 03:08:44 +00:00

zeroinitializer-gep-load.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00