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* Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier ↵Stephen Lin2013-07-131-6/+6
| | | | | | | | | | debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. llvm-svn: 186258
* Enhance bool simplifcation in X86 to handle more casesMichael Liao2013-04-111-0/+150
| | | | | | | | | | | | This patch is revised based on patch from Victor Umansky <victor.umansky@intel.com>. More cases are handled in X86's bool simplification, i.e. - SETCC_CARRY - value is truncated to i1 with AND As a by-product, PR5443 is also fixed. llvm-svn: 179265
* Reverted commit #147601 upon Evan's request.Victor Umansky2012-01-081-244/+0
| | | | llvm-svn: 147748
* Peephole optimization of ptest-conditioned branch in X86 arch. Performs ↵Victor Umansky2012-01-051-0/+244
instruction combining of sequences generated by ptestz/ptestc intrinsics to ptest+jcc pair for SSE and AVX. Testing: passed 'make check' including LIT tests for all sequences being handled (both SSE and AVX) Reviewers: Evan Cheng, David Blaikie, Bruno Lopes, Elena Demikhovsky, Chad Rosier, Anton Korobeynikov llvm-svn: 147601
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