Chris Lattner efbbedbf4a Fold bitconv(bitconv(x)) -> x. We now compile this: ... void foo(double); void bar(double X) { foo(X); } to this: bar: save -96, %o6, %o6 or %g0, %i0, %o0 or %g0, %i1, %o1 call foo nop restore %g0, %g0, %g0 retl nop instead of this: bar: save -112, %o6, %o6 st %i1, [%i6+-4] st %i0, [%i6+-8] ldd [%i6+-8], %f0 std %f0, [%i6+-16] ld [%i6+-12], %o1 ld [%i6+-16], %o0 call foo nop restore %g0, %g0, %g0 retl nop on V8. llvm-svn: 24981		2005-12-23 05:37:50 +00:00
llvm	Fold bitconv(bitconv(x)) -> x. We now compile this:	2005-12-23 05:37:50 +00:00