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llvm-mirror/lib/Transforms
Tobias Grosser 48469b566a InstCombine: Match min/max hidden by sext/zext
X = sext x; x >s c ? X : C+1 --> X = sext x; X <s C+1 ? C+1 : X
X = sext x; x <s c ? X : C-1 --> X = sext x; X >s C-1 ? C-1 : X
X = zext x; x >u c ? X : C+1 --> X = zext x; X <u C+1 ? C+1 : X
X = zext x; x <u c ? X : C-1 --> X = zext x; X >u C-1 ? C-1 : X
X = sext x; x >u c ? X : C+1 --> X = sext x; X <u C+1 ? C+1 : X
X = sext x; x <u c ? X : C-1 --> X = sext x; X >u C-1 ? C-1 : X

Instead of calculating this with mixed types promote all to the
larger type. This enables scalar evolution to analyze this
expression. PR8866

llvm-svn: 123034
2011-01-07 21:33:14 +00:00
..
Hello Since the Hello pass is built as a loadable dynamic library, don't try to convert it to new-style registration yet. 2010-10-07 00:31:16 +00:00
InstCombine InstCombine: Match min/max hidden by sext/zext 2011-01-07 21:33:14 +00:00
Instrumentation Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which 2010-10-19 17:21:58 +00:00
IPO Improve the accuracy of the inlining heuristic looking for the 2011-01-04 19:01:54 +00:00
Scalar Add the CallInst optimizations that don't involve expanding inline assembly to 2011-01-06 02:56:42 +00:00
Utils Remove all uses of the "ugly" method BranchInst::setUnconditionalDest(). 2011-01-07 20:25:56 +00:00
Makefile Revert r100896 and around - this breaks the only mingw32 buildbot we have. 2010-04-15 19:51:42 +00:00