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| author | Bob Wilson <bob.wilson@apple.com> | 2010-08-16 23:37:17 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-08-16 23:37:17 +0000 |
| commit | c350e7a509f78c497de52e9d1e122b3de5e7ffd4 (patch) | |
| tree | 1c52c1e5d16067869c0fa1e26a512eaea83ad95a /llvm | |
| parent | c3e9df3cc0312dba3e952c53f1fb667349880aaa (diff) | |
| download | bcm5719-llvm-c350e7a509f78c497de52e9d1e122b3de5e7ffd4.tar.gz bcm5719-llvm-c350e7a509f78c497de52e9d1e122b3de5e7ffd4.zip | |
Ignore undef shuffle indices when checking for a VTRN shuffle. Radar 8290937.
llvm-svn: 111208
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 5a03a07dcca..b05c5dd2597 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -3229,6 +3229,7 @@ static bool isVTRN_v_undef_Mask(const SmallVectorImpl<int> &M, EVT VT, unsigned NumElts = VT.getVectorNumElements(); WhichResult = (M[0] == 0 ? 0 : 1); for (unsigned i = 0; i < NumElts; i += 2) { + if (M[i] < 0) continue; if ((unsigned) M[i] != i + WhichResult || (unsigned) M[i+1] != i + WhichResult) return false; |
