Eli Friedman 7c6a5a2c39 When marking a block as being unanalyzable, use "Clobber" on the terminator instead of the first instruction in the block. This is a bit of a hack; "Clobber" isn't really the right marking in the first place. memdep doesn't really have any way of properly expressing "unanalyzable" at the moment. Using it on the terminator is much less ambiguous than using it on an arbitrary instruction, though. ... In the given testcase, the "Clobber" was pointing to a load, and GVN was incorrectly assuming that meant that the "Clobber" load overlapped the load being analyzed (when they are actually unrelated). The included testcase tests both this commit and r132434. Part two of rdar://9429882. (r132434 was mislabeled.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132442 91177308-0d34-0410-b5e6-96231b3b80d8		2011-06-02 00:08:52 +00:00
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Analysis	Make DecomposeGEPExpression check SimplifyInstruction only	2011-05-24 18:24:08 +00:00
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Bitcode	Add missing newlines.	2011-05-28 01:35:58 +00:00
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CodeGen	Do not drop constant values when a variable's content is described using .debug_loc entries.	2011-06-01 22:03:25 +00:00
DebugInfo	Fix a regression I recently introduced by removing DwarfRegNum of	2011-05-27 22:15:01 +00:00
ExecutionEngine	Reverted r132135 per Xerxes request. These tests are passing for his setup. Requires more research.	2011-05-31 21:50:33 +00:00
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FrontendC	Add a testcase, enabled only on arm, for llvm-gcc r132366.	2011-06-01 18:23:56 +00:00
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MC	Fix ssat and ssat16 encodings for ARM and Thumb. The bit position value	2011-05-31 03:33:27 +00:00
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Transforms	When marking a block as being unanalyzable, use "Clobber" on the terminator instead of the first instruction in the block. This is a bit of a hack; "Clobber" isn't really the right marking in the first place. memdep doesn't really have any way of properly expressing "unanalyzable" at the moment. Using it on the terminator is much less ambiguous than using it on an arbitrary instruction, though.	2011-06-02 00:08:52 +00:00
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