Eli Friedman b4b8b0cc90 Add a target-specific branchless method for double-width relational ... comparisons on x86. Essentially, the way this works is that SUB+SBB sets the relevant flags the same way a double-width CMP would. This is a substantial improvement over the generic lowering in LLVM. The output is also shorter than the gcc-generated output; I haven't done any detailed benchmarking, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127852 91177308-0d34-0410-b5e6-96231b3b80d8		2011-03-18 02:34:11 +00:00
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Analysis	Propagate SCEV no-wrap flags whenever possible.	2011-03-15 00:37:00 +00:00
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Assembler	Reapply: Add type output to llvm-dis annotations. Patch by Yuri!	2011-03-17 19:50:04 +00:00
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CodeGen	Add a target-specific branchless method for double-width relational	2011-03-18 02:34:11 +00:00
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FrontendC	Add a RUN line to the test case to make it functional. <rdar://problem/9055247>	2011-03-09 04:02:40 +00:00
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FrontendObjC	Testcase for r127301.	2011-03-09 01:05:00 +00:00
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MC	The disassembler for Thumb was wrongly adding 4 to the computed imm32 offset.	2011-03-18 00:38:03 +00:00
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Transforms	FileCheck-ize and update test.	2011-03-18 01:10:31 +00:00
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