llvm-6502

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Commit Graph

Author	SHA1	Message	Date
Dan Gohman	d6aa02de10	Teach instcombine to respect and preserve inbounds. Add inbounds to a few tests where it is required for the expected transformation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77290 91177308-0d34-0410-b5e6-96231b3b80d8	2009-07-28 01:40:03 +00:00
Chris Lattner	7c95debb49	Fix a bug compiling PR1978 (perhaps not the only one though) which was incorrectly simplifying "x == (gep x, 1, i)" into false, even though i could be negative. As it turns out, all the code to handle this already existed, we just need to disable the incorrect optimization case and let the general case handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46739 91177308-0d34-0410-b5e6-96231b3b80d8	2008-02-05 04:45:32 +00:00

Author

SHA1

Message

Date

Dan Gohman

d6aa02de10

Teach instcombine to respect and preserve inbounds. Add inbounds

to a few tests where it is required for the expected transformation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77290 91177308-0d34-0410-b5e6-96231b3b80d8

2009-07-28 01:40:03 +00:00

Chris Lattner

7c95debb49

Fix a bug compiling PR1978 (perhaps not the only one though) which

was incorrectly simplifying "x == (gep x, 1, i)" into false, even 
though i could be negative.  As it turns out, all the code to 
handle this already existed, we just need to disable the incorrect
optimization case and let the general case handle it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46739 91177308-0d34-0410-b5e6-96231b3b80d8

2008-02-05 04:45:32 +00:00

2 Commits