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7bfba7d5e3
This can generate considerably shorter code, reducing the size of crafty by almost 1%. Also fix the printing of mcrf. The code is currently disabled until it gets a bit more testing, but should work as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21298 91177308-0d34-0410-b5e6-96231b3b80d8
TODO: * condition register allocation * gpr0 allocation * implement do-loop -> bdnz transform * implement powerpc-64 for darwin * use stfiwx in float->int * should hint to the branch select pass that it doesn't need to print the second unconditional branch, so we don't end up with things like: b .LBBl42__2E_expand_function_8_674 ; loopentry.24 b .LBBl42__2E_expand_function_8_42 ; NewDefault b .LBBl42__2E_expand_function_8_42 ; NewDefault Currently failing tests that should pass: * MultiSource |- Applications | `- hbd: miscompilation