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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-03-08 15:37:02 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-03-08 15:37:02 +0000 |
| commit | 03abf2f2aa77ddd23b74e431005bf773ce1cf0aa (patch) | |
| tree | ab0da538c9bc8eb747f3849e24d4e8e86194bfc6 /lib | |
| parent | 3ef5383b3537a420c5e2ab3e657c378e5185549d (diff) | |
| download | external_llvm-03abf2f2aa77ddd23b74e431005bf773ce1cf0aa.zip external_llvm-03abf2f2aa77ddd23b74e431005bf773ce1cf0aa.tar.gz external_llvm-03abf2f2aa77ddd23b74e431005bf773ce1cf0aa.tar.bz2 | |
LegalizeDAG: Respect the result of TLI.getBooleanContents() when expanding SETCC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176695 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index f085e44..743a9da 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3632,8 +3632,20 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node) { // Otherwise, SETCC for the given comparison type must be completely // illegal; expand it into a SELECT_CC. EVT VT = Node->getValueType(0); + int TrueValue; + switch(TLI.getBooleanContents(VT.isVector())) { + default: assert(!"Unhandled BooleanContent value"); + case TargetLowering::ZeroOrOneBooleanContent: + case TargetLowering::UndefinedBooleanContent: + TrueValue = 1; + break; + case TargetLowering::ZeroOrNegativeOneBooleanContent: + TrueValue = -1; + break; + } Tmp1 = DAG.getNode(ISD::SELECT_CC, dl, VT, Tmp1, Tmp2, - DAG.getConstant(1, VT), DAG.getConstant(0, VT), Tmp3); + DAG.getConstant(TrueValue, VT), DAG.getConstant(0, VT), + Tmp3); Results.push_back(Tmp1); break; } |