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llvm-mirror/lib
Evan Cheng c531da60aa Make 91378 more conservative.
1. Only perform (zext (shl (zext x), y)) -> (shl (zext x), y) when y is a constant. This makes sure it remove at least one zest.
2. If the shift is a left shift, make sure the original shift cannot shift out bits.

llvm-svn: 91399
2009-12-15 03:00:32 +00:00
..
Analysis You can't use typedefs to declare template member specializations, and 2009-12-15 02:35:24 +00:00
Archive
AsmParser Add MSP430 interrupt calling conv. No functionality change yet. 2009-12-07 02:27:35 +00:00
Bitcode Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions. 2009-11-07 00:16:28 +00:00
CodeGen Make 91378 more conservative. 2009-12-15 03:00:32 +00:00
CompilerDriver Fix last DOTGraphTraits problems in CompilationGraph. 2009-11-30 13:34:51 +00:00
ExecutionEngine Formatting. 2009-12-15 00:40:55 +00:00
Linker Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API. 2009-11-10 00:43:58 +00:00
MC Pass StringRef by value. 2009-11-06 10:58:06 +00:00
Support Micro-optimize these functions in the case where they are not inlined. 2009-12-14 19:32:31 +00:00
System Add "generic" fallback. 2009-12-14 12:38:18 +00:00
Target Use sbb x, x to materialize carry bit in a GPR. The result is all one's or all zero's. 2009-12-15 00:53:42 +00:00
Transforms Fix a thinko; isNotAlreadyContainedIn had a built-in negative, so the 2009-12-14 17:31:01 +00:00
VMCore Move several function bodies which are rarely inlined out of line. 2009-12-14 19:43:09 +00:00
Makefile