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the stack
Summary:
Relate bug: https://bugs.llvm.org/show_bug.cgi?id=37472
The shrink wrapping pass prematurally restores the stack, at a point where the stack might still be accessed.
Taking an exception can cause the stack to be corrupted.
As a first approach, this patch is overly conservative, assuming that any instruction that may load or store could access
the stack.
Reviewers: dmgreen, qcolombet
Reviewed By: qcolombet
Subscribers: simpal01, efriedma, eli.friedman, javed.absar, llvm-commits, eugenis, chill, carwil, thegameg
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63152
llvm-svn: 363265
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In preparation for allowing allocas to have non-0 addrspace.
llvm-svn: 299876
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Currently we have a number of tests that fail with -verify-machineinstrs.
To detect this cases earlier we add the option to the testcases with the
exception of tests that will currently fail with this option. PR 27456 keeps
track of this failures.
No code review, as discussed with Hal Finkel.
llvm-svn: 277624
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Summary: Removed unwanted --check-prefix=CHECK from numerous unit tests.
Reviewers: t.p.northover, dblaikie, uweigand, MatzeB, tstellarAMD, mcrosier
Subscribers: mcrosier, dsanders
Differential Revision: http://reviews.llvm.org/D19279
llvm-svn: 266834
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part of shrink wrapping.
Phabricator: http://reviews.llvm.org/D13955
llvm-svn: 253247
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