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* Disable codegen prepare critical edge splitting. Machine instruction passes nowEvan Cheng2010-09-231-1/+3
| | | | | | | break critical edges on demand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114633 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not force indirect tailcall through fixed registers: eax, r11. Add ↵Evan Cheng2010-03-141-1/+1
| | | | | | support to allow loads to be folded to tail call instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98465 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r98270.Bill Wendling2010-03-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98281 91177308-0d34-0410-b5e6-96231b3b80d8
* Bad bad bug. x86 force indirect tail call address into eax when it's meant ↵Evan Cheng2010-03-111-1/+1
| | | | | | to force it into a call preserved register instead. Change it to ecx for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98270 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow all types of callee's to be tail called. But avoid automatic tailcall ↵Evan Cheng2010-02-031-3/+3
| | | | | | if the callee is a result of bitcast to avoid losing necessary zext / sext etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95195 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate more uses of llvm-as and llvm-dis.Dan Gohman2009-09-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the calling convention used when tail call optimization is enabled ↵Arnold Schwaighofer2008-09-221-1/+1
| | | | | | from CC_X86_32_TailCall to CC_X86_32_FastCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56436 91177308-0d34-0410-b5e6-96231b3b80d8
* Add indirect tail call (function pointer) examples.Arnold Schwaighofer2008-09-111-0/+25
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56127 91177308-0d34-0410-b5e6-96231b3b80d8
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