Stuart Hastings d52ec65b6d Fix a hashing bug in APInt. A certain pathological testcase (too ... large for the testsuite) took over six minutes to compile on my Mac. The patched LLVM-GCC compiles that testcase in three seconds (GCC takes less than one second). This hash function is more complex (about 35 instructions on x86) than what Chris wanted, but I expect it will be well-behaved with arbitrary inputs. Thank you to everyone who responded to my previous request for advice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66962 91177308-0d34-0410-b5e6-96231b3b80d8		2009-03-13 21:51:13 +00:00
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Support	Fix a hashing bug in APInt. A certain pathological testcase (too	2009-03-13 21:51:13 +00:00
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