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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-04-04 12:51:34 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-04-04 12:51:34 +0000 |
| commit | 26c8dcc692fb2addd475446cfff24d6a4e958bca (patch) | |
| tree | b71cb0d781e2735397c728f276f14ea63780d04c /include/llvm/Target | |
| parent | 00b73a5e443d49d68f59a5fb517e940842423ae6 (diff) | |
| download | external_llvm-26c8dcc692fb2addd475446cfff24d6a4e958bca.zip external_llvm-26c8dcc692fb2addd475446cfff24d6a4e958bca.tar.gz external_llvm-26c8dcc692fb2addd475446cfff24d6a4e958bca.tar.bz2 | |
Always compute all the bits in ComputeMaskedBits.
This allows us to keep passing reduced masks to SimplifyDemandedBits, but
know about all the bits if SimplifyDemandedBits fails. This allows instcombine
to simplify cases like the one in the included testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154011 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 153138f..5f44e0d 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -873,7 +873,6 @@ public: /// Mask are known to be either zero or one and return them in the /// KnownZero/KnownOne bitsets. virtual void computeMaskedBitsForTargetNode(const SDValue Op, - const APInt &Mask, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, |