a legal target address immediate or scale.

llvm-svn: 35071

llvm-svn: 35070

llvm-svn: 35068

llvm-svn: 35067

can collide with system defined names.  Windows defines _BB, for example.

llvm-svn: 35066

llvm-svn: 35065

Patch by Zhou Sheng.

llvm-svn: 35064

Patch by Zhou Sheng.

llvm-svn: 35063

llvm-svn: 35062

  1. Replace getSignedMinValue() with getSignBit() for better code readability.
  2. Replace APIntOps::shl() with operator<<= for convenience.
  3. Make APInt construction more effective.

llvm-svn: 35060

llvm-svn: 35059

optimization power.

llvm-svn: 35058

llvm-svn: 35057

llvm-svn: 35056

the addition. Please let me know if you have suggestions.

llvm-svn: 35055

llvm-svn: 35054

llvm-svn: 35053

llvm-svn: 35052

User from the list of I users.

llvm-svn: 35051

llvm-svn: 35050

llvm-svn: 35049

llvm-svn: 35048

llvm-svn: 35047

Account for the sign bit when computing the number of bits required for
a negative integer literal constant.

llvm-svn: 35046

llvm-svn: 35045

scavenging todo item, since it is now implemented.

llvm-svn: 35044

llvm-svn: 35042

alive in one of the successor block. Do not add it to the kill list.

llvm-svn: 35041

llvm-svn: 35040

llvm-svn: 35039

llvm-svn: 35038

llvm-svn: 35037

llvm-svn: 35036

llvm-svn: 35035

llvm-svn: 35034

llvm-svn: 35033

llvm-svn: 35032

moves, loads, etc. are recognized.

llvm-svn: 35031

llvm-svn: 35030

llvm-svn: 35029