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| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-31 07:53:30 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-31 07:53:30 +0000 |
| commit | 24d2f8a212f08bf21360122cc00acf2657af91f9 (patch) | |
| tree | 251069a4eef5bd4e7b5bf85be24dfd53d8cd2294 /docs/tutorial/JITTutorial1.html | |
| parent | 87a3b68bf701530b9dd9d181907542048dfae681 (diff) | |
The support for remat of instructions with a register operand is hackish, to say the least. Since the register operand guaranteed to be PIC base and that it is already live at all uses, we are making sure it will not be spilled after its uses are rematerialized for both performance and correctness reasons.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48976 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/tutorial/JITTutorial1.html')
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