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Changes to ARM tail calls, mostly cosmetic.

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Add explicit testcases for tail calls within the same module.
Duplicate some code to humor those who think .w doesn't apply on ARM.
Leave this disabled on Thumb1, and add some comments explaining why it's hard
and won't gain much.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107851 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2010-07-08 01:18:23 +00:00
parent f595141525
commit 7835f1fcdb
6 changed files with 43 additions and 12 deletions
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4
utils/TableGen/ARMDecoderEmitter.cpp
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@@ -1578,8 +1578,8 @@ bool ARMDecoderEmitter::ARMDEBackend::populateInstruction(
// Tail calls are other patterns that generate existing instructions.
if (Name == "TCRETURNdi" || Name == "TCRETURNdiND" ||
Name == "TCRETURNri" || Name == "TCRETURNriND" ||
Name == "TAILJMPd" || Name == "TAILJMPdND" ||
Name == "TAILJMPdNDt" ||
Name == "TAILJMPd" || Name == "TAILJMPdt" ||
Name == "TAILJMPdND" || Name == "TAILJMPdNDt" ||
Name == "TAILJMPr" || Name == "TAILJMPrND" ||
Name == "MOVr_TC")
return false;