Nate Begeman 6cadac8f43 Kill casts from integer types to unsigned byte, when the cast was only used ...

as the shift amount operand to a shift instruction.  This was causing us to
emit unnecessary clear operations for code such as:
int foo(int x) { return 1 << x; }

llvm-svn: 17175

2004-10-23 00:50:23 +00:00

144 KiB

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