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Author	SHA1	Message	Date
Dan Gohman	36a0947820	Eliminate more uses of llvm-as and llvm-dis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8	2009-09-08 23:54:48 +00:00
Torok Edwin	6bb4958543	Fix PR4254. The DAGCombiner created a negative shiftamount, stored in an unsigned variable. Later the optimizer eliminated the shift entirely as being undefined. Example: (srl (shl X, 56) 48). ShiftAmt is 4294967288. Fix it by checking that the shiftamount is positive, and storing in a signed variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72331 91177308-0d34-0410-b5e6-96231b3b80d8	2009-05-23 17:29:48 +00:00

Author

SHA1

Message

Date

Dan Gohman

36a0947820

Eliminate more uses of llvm-as and llvm-dis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8

2009-09-08 23:54:48 +00:00

Torok Edwin

6bb4958543

Fix PR4254.

The DAGCombiner created a negative shiftamount, stored in an
unsigned variable. Later the optimizer eliminated the shift entirely as being
undefined.
Example: (srl (shl X, 56) 48). ShiftAmt is 4294967288.
Fix it by checking that the shiftamount is positive, and storing in a signed
variable.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72331 91177308-0d34-0410-b5e6-96231b3b80d8

2009-05-23 17:29:48 +00:00

2 Commits