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* Add a target triple so that this test behaves consistently across hosts.Dan Gohman2009-10-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85640 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MachineLICM to use the correct virtual register class whenDan Gohman2009-10-301-0/+26
| | | | | | | | | | | unfolding loads for hoisting. getOpcodeAfterMemoryUnfold returns the opcode of the original operation without the load, not the load itself, MachineLICM needs to know the operand index in order to get the correct register class. Extend getOpcodeAfterMemoryUnfold to return this information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85622 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach MachineLICM to unfold loads from constant memory fromDan Gohman2009-10-281-0/+64
| | | | | | | | otherwise unhoistable instructions in order to allow the loads to be hoisted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85364 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark dead physregdefs dead immediately. This helps MachineSink andDan Gohman2009-10-281-0/+15
| | | | | | | MachineLICM and other things which run before LiveVariables is run. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85360 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn on post-alloc scheduling for x86.Evan Cheng2009-10-181-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84431 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a CHECK line to check the position of the second divsd.Dan Gohman2009-09-281-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83009 91177308-0d34-0410-b5e6-96231b3b80d8
* Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg ofEvan Cheng2009-09-281-1/+1
| | | | | | | | | | | | physical registers. This is especially critical for the later two since they start the live interval of a super-register. e.g. %DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1 If this instruction is eliminated, the register scavenger will not be happy as D0 is not defined previously. This fixes PR5055. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82968 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak MachineLICM for instructions that reference RIP on x86-64 too.Dan Gohman2009-09-251-0/+42
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82825 91177308-0d34-0410-b5e6-96231b3b80d8
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