6449690da4
Add #includes required by GCC 4.3, thanks for Zhongxing Xu
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for reporting this.
llvm-svn: 51926
2008-06-04 04:46:14 +00:00
2e01a69e72
Remove unneeded code I added.
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llvm-svn: 51878
2008-06-02 18:39:07 +00:00
a12a6de683
move CannotBeNegativeZero to ValueTracking. Simplify some signbit comparisons.
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llvm-svn: 51864
2008-06-02 01:29:46 +00:00
965c769b3c
move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits
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out of instcombine into a new file in libanalysis. This also teaches
ComputeNumSignBits about the number of sign bits in a constantint.
llvm-svn: 51863
2008-06-02 01:18:21 +00:00
Chris Lattner