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* CodeGen: Allow small copyable blocks to "break" the CFG.Kyle Butt2017-01-311-1/+2
| | | | | | | | | | | When choosing the best successor for a block, ordinarily we would have preferred a block that preserves the CFG unless there is a strong probability the other direction. For small blocks that can be duplicated we now skip that requirement as well, subject to some simple frequency calculations. Differential Revision: https://reviews.llvm.org/D28583 llvm-svn: 293716
* Revert "CodeGen: Allow small copyable blocks to "break" the CFG."Kyle Butt2017-01-111-2/+1
| | | | | | | | | This reverts commit ada6595a526d71df04988eb0a4b4fe84df398ded. This needs a simple probability check because there are some cases where it is not profitable. llvm-svn: 291695
* CodeGen: Allow small copyable blocks to "break" the CFG.Kyle Butt2017-01-101-1/+2
| | | | | | | | | | | When choosing the best successor for a block, ordinarily we would have preferred a block that preserves the CFG unless there is a strong probability the other direction. For small blocks that can be duplicated we now skip that requirement as well. Differential revision: https://reviews.llvm.org/D27742 llvm-svn: 291609
* [opaque pointer type] Add textual IR support for explicit type parameter to ↵David Blaikie2015-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 llvm-svn: 230794
* [mips][microMIPS] This patch implements functionality in MIPS delay slotJozef Kolek2014-11-211-0/+19
filler such as if delay slot filler have to put NOP instruction into the delay slot of microMIPS BEQ or BNE instruction which uses the register $0, then instead of emitting NOP this instruction is replaced by the corresponding microMIPS compact branch instruction, i.e. BEQZC or BNEZC. Differential Revision: http://reviews.llvm.org/D3566 llvm-svn: 222580
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