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| author | Bob Wilson <bob.wilson@apple.com> | 2011-10-18 17:34:51 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-10-18 17:34:51 +0000 |
| commit | ad952ad8f05a1c5082a6b7ac8627008fa24d722a (patch) | |
| tree | cbb3b398bd2102a32f4110b0d9e655d55385f17f /lib | |
| parent | db2b18febaea04d01b3dcb24fc44d5be7bd27a00 (diff) | |
| download | external_llvm-ad952ad8f05a1c5082a6b7ac8627008fa24d722a.zip external_llvm-ad952ad8f05a1c5082a6b7ac8627008fa24d722a.tar.gz external_llvm-ad952ad8f05a1c5082a6b7ac8627008fa24d722a.tar.bz2 | |
Fix incorrect check for sign-extended constant BUILD_VECTOR.
<rdar://problem/10298332>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142371 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 1615f5b..7753006 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -4527,7 +4527,7 @@ static bool isExtendedBUILD_VECTOR(SDNode *N, SelectionDAG &DAG, unsigned HalfSize = EltSize / 2; if (isSigned) { int64_t SExtVal = C->getSExtValue(); - if ((SExtVal >> HalfSize) != (SExtVal >> EltSize)) + if (SExtVal != SExtVal << (64 - HalfSize) >> (64 - HalfSize)) return false; } else { if ((C->getZExtValue() >> HalfSize) != 0) |