Commit message (Collapse) | Author | Age | Files | Lines | |
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* | Eliminate more uses of llvm-as and llvm-dis. | Dan Gohman | 2009-09-08 | 1 | -1/+1 |
| | | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8 | ||||
* | Turn a 2-address instruction into a 3-address one when it's profitable even ↵ | Evan Cheng | 2009-03-30 | 1 | -1/+1 |
| | | | | | | | | | | | | | | if the two-address operand is killed. e.g. %reg1024<def> = MOV r1 %reg1025<def> = ADD %reg1024, %reg1026 r0 = MOV %reg1025 If it's not possible / profitable to commute ADD, then turning ADD into a LEA saves a copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68065 91177308-0d34-0410-b5e6-96231b3b80d8 | ||||
* | Model inline asm constraint which ties an input to an output register as ↵ | Evan Cheng | 2009-03-23 | 1 | -0/+9 |
machine operand TIED_TO constraint. This eliminated the need to pre-allocate registers for these. This also allows register allocator can eliminate the unneeded copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67512 91177308-0d34-0410-b5e6-96231b3b80d8 |