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| author | Tanya Lattner <tonic@nondot.org> | 2009-01-28 15:43:23 +0000 |
|---|---|---|
| committer | Tanya Lattner <tonic@nondot.org> | 2009-01-28 15:43:23 +0000 |
| commit | 9c5836dc6a0727cf6fdd8bbb35daa65759c887b9 (patch) | |
| tree | 231f84dcda58d2e93cb721441a7f34d9e30507e4 /lib/CodeGen/StackProtector.cpp | |
| parent | 8cbc81075ec6d73f5a5fc6e36111f0fd9bbda75f (diff) | |
Merge from mainline.
Fold x-0 to x in unsafe-fp-math mode. This comes up in the
testcase from PR3376, and in fact is sufficient to completely
avoid the problem in that testcase.
There's an underlying problem though; TLI.isOperationLegal
considers Custom to be Legal, which might be ok in some
cases, but that's what DAGCombiner is using in many places
to test if something is legal when LegalOperations is true.
When DAGCombiner is running after legalize, this isn't
sufficient. I'll address this in a separate commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@63207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StackProtector.cpp')
0 files changed, 0 insertions, 0 deletions