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* Unified logic for computing target ABI in backend and front end by moving ↵Eric Christopher2017-06-301-1/+1
| | | | | | | | | | this common code to Support/TargetParser. Modeled Triple::GNU after front end code (aapcs abi) and updated tests that expect apcs abi. Based heavily on a patch by Ana Pazos! llvm-svn: 306768
* Add a new string member to the TargetOptions struct for the nameEric Christopher2014-12-181-4/+4
| | | | | | | | | | | | | of the abi we should be using. For targets that don't use the option there's no change, otherwise this allows external users to set the ABI via string and avoid some of the -backend-option pain in clang. Use this option to move the ABI for the ARM port from the Subtarget to the TargetMachine and update the testcases accordingly since it's no longer valid to set via -mattr. llvm-svn: 224492
* Model ARM backend ABI selection after the front end code doing theEric Christopher2014-12-181-2/+2
| | | | | | | | | | | | | | same. This will change the "bare metal" ABI from APCS to AAPCS. The only difference between the front and back end code is that the code for Triple::GNU was added for environment. That will migrate to the front end shortly. Tests updated with the ABI they were originally testing in the case of bare metal (e.g. -mtriple armv7) or with a -gnu for arm-linux triples. llvm-svn: 224489
* Make the ARM ABI selectable via SubtargetFeature.Rafael Espindola2014-01-021-0/+28
This patch makes it possible to select the ABI with -mattr. It will be used to forward clang's -target-abi option to llvm's CodeGen. llvm-svn: 198304
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