Saleem Abdulrasool
2b42ff6fdb
ARM: remove ancient -arm-tail-calls option
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This option is from 2010, designed to work around a linker issue on Darwin for
ARM. According to grosbach this is no longer an issue and this option can
safely be removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203576 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-11 15:09:49 +00:00
Stephen Lin
55ec2218c4
Start using CHECK-LABEL in some tests.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186163 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-12 14:54:12 +00:00
Stephen Lin
3484da9479
Only pass 'returned' to target-specific lowering code when the value of entire register is guaranteed to be preserved.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180825 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30 22:49:28 +00:00
Stephen Lin
81fef0267b
Add more tests for r179925 to verify correct handling of signext/zeroext; strengthen condition check to require actual MVT::i32 virtual register types, just in case (no actual functionality change)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180138 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-23 19:42:25 +00:00
Stephen Lin
2fdbbe307d
Extra paranoid test for r179925 (verify that tail calls are not generated to 'this'-returning constructors of objects with different 'this' pointers than the caller)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180032 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22 17:23:49 +00:00
Stephen Lin
456ca048af
Add CodeGen support for functions that always return arguments via a new parameter attribute 'returned', which is taken advantage of in target-independent tail call opportunity detection and in ARM call lowering (when placed on an integral first parameter).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20 05:14:40 +00:00
