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* Start using CHECK-LABEL in some tests.Stephen Lin2013-07-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186163 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor renaming of tests (for consistency with an in-development patch)Stephen Lin2013-04-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179954 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow tail call opportunity detection through nested and/or multiple ↵Stephen Lin2013-04-20
| | | | | | iterations of extractelement/insertelement indirection git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179924 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an illegal tailcall opt where the callee returns a double via xmm while ↵Evan Cheng2012-09-25
| | | | | | caller returns x86_fp80 via st0. rdar://12229511 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164588 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test case to avoid PIC magic.Jakob Stoklund Olesen2012-09-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163827 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the TCRETURNmi64 bug differently.Jakob Stoklund Olesen2012-09-13
| | | | | | | | | | Add a PatFrag to match X86tcret using 6 fixed registers or less. This avoids folding loads into TCRETURNmi64 using 7 or more volatile registers. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163819 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r163761 "Don't fold indexed loads into TCRETURNmi64."Jakob Stoklund Olesen2012-09-13
| | | | | | The patch caused "Wrong topological sorting" assertions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163810 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't fold indexed loads into TCRETURNmi64.Jakob Stoklund Olesen2012-09-13
| | | | | | | | | | | | | We don't have enough GR64_TC registers when calling a varargs function with 6 arguments. Since %al holds the number of vector registers used, only %r11 is available as a scratch register. This means that addressing modes using both base and index registers can't be folded into TCRETURNmi64. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163761 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for PR13006, thanks to Duncan for filing it.Chris Lattner2012-06-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157824 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance the logic for looking through tailcalls to look through transparent ↵Chris Lattner2012-06-01
| | | | | | | | | | casts in multiple-return value scenarios, like what happens on X86-64 when returning small structs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157800 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance getNoopInput to know about vector<->vector bitcasts of legalChris Lattner2012-06-01
| | | | | | | | | types, as well as int<->ptr casts. This allows us to tailcall functions with some trivial casts between the call and return (i.e. because the return types disagree). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157798 91177308-0d34-0410-b5e6-96231b3b80d8
* add some simple 64-bit tail call tests.Chris Lattner2012-06-01
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157797 91177308-0d34-0410-b5e6-96231b3b80d8
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