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Alex Bradbury d590c85753 [TableGen] Give the option of tolerating duplicate register names 
A number of architectures re-use the same register names (e.g. for both 32-bit 
FPRs and 64-bit FPRs). They are currently unable to use the tablegen'erated 
MatchRegisterName and MatchRegisterAltName, as tablegen (when built with 
asserts enabled) will fail.

When the AllowDuplicateRegisterNames in AsmParser is set, duplicated register 
names will be tolerated. A backend can then coerce registers to the desired 
register class by (for instance) implementing validateTargetOperandClass.

At least the in-tree Sparc backend could benefit from this, as does RISC-V 
(single and double precision floating point registers).

Differential Revision: https://reviews.llvm.org/D39845

llvm-svn: 320018
 		2017-12-07 09:51:55 +00:00
..
Analysis [ModRefInfo] Replace remaining bit-wise operations with wrappers. 2017-12-07 00:43:19 +00:00
AsmParser [IR] redefine 'UnsafeAlgebra' / 'reassoc' fast-math-flags and add 'trans' fast-math-flag 2017-11-06 16:27:15 +00:00
BinaryFormat Simplify. 2017-10-19 01:32:18 +00:00
Bitcode [WebAssembly] Explicily disable comdat support for wasm output 2017-11-14 00:49:16 +00:00
CodeGen [SelectionDAG] In SplitVecOp_EXTRACT_VECTOR_ELT, simplify the code that makes the type byte addressable. 2017-12-07 08:04:34 +00:00
DebugInfo Teach llvm-pdbutil to dump types from object files. 2017-12-05 23:58:18 +00:00
Demangle [ItaniumDemangle] Fix a exponential string copying bug 2017-05-28 23:24:52 +00:00
ExecutionEngine Fix 'not all control paths return a value' warning on MSVC builds 2017-11-09 14:56:17 +00:00
FuzzMutate [FuzzMutate] Bailout from injecting into empty basic blocks. 2017-11-30 15:41:58 +00:00
Fuzzer [libFuzzer] Delete llvm/lib/Fuzzer 2017-10-16 20:48:19 +00:00
IR [X86] Attempt to fix a ubsan failure in the autoupgrade of kunpck intrinsics. 2017-12-06 17:54:07 +00:00
IRReader Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
LTO Fix a bunch more layering of CodeGen headers that are in Target 2017-11-17 01:07:10 +00:00
LineEditor
…
Linker Linker: Create a function declaration when moving a non-prevailing alias of function type. 2017-08-10 01:07:44 +00:00
MC [AVR] Override ParseDirective 2017-12-07 06:56:09 +00:00
Object [WebAssembly] Commit a file I accidentally omitted from r319956. 2017-12-06 21:16:04 +00:00
ObjectYAML Update obj2yaml and yaml2obj for .debug$H section. 2017-12-06 18:58:48 +00:00
Option Reverting r315590; it did not include changes for llvm-tblgen, which is causing link errors for several people. 2017-10-15 14:32:27 +00:00
Passes Add a new pass to speculate around PHI nodes with constant (integer) operands when profitable. 2017-11-28 11:32:31 +00:00
ProfileData [Coverage] Scan ahead for the most-recent completed count (PR35495) 2017-12-07 00:01:15 +00:00
Support Delete temp file if rename fails. 2017-12-05 16:40:56 +00:00
TableGen [TableGen] Give the option of tolerating duplicate register names 2017-12-07 09:51:55 +00:00
Target [AVR] Override ParseDirective 2017-12-07 06:56:09 +00:00
Testing Force #define GTEST_LANG_CXX11. 2017-10-27 21:12:28 +00:00
ToolDrivers [COFF] Improve the check for functions that should get an extra underscore 2017-10-23 09:08:13 +00:00
Transforms [LV] Interleaved access vectorization: fix computing new alias info 2017-12-06 22:42:24 +00:00
WindowsManifest Fix bug 34608 by moving private header out of public header. 2017-09-14 23:01:13 +00:00
XRay [XRay] Use optimistic logging model for FDR mode 2017-11-21 07:16:57 +00:00
CMakeLists.txt Moving libFuzzer from LLVM to compiler-rt. 2017-08-21 23:25:12 +00:00
LLVMBuild.txt Re-apply "Introduce FuzzMutate library" 2017-08-21 22:57:06 +00:00