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authorTom Stellard <thomas.stellard@amd.com>2013-03-08 15:37:02 +0000
committerTom Stellard <thomas.stellard@amd.com>2013-03-08 15:37:02 +0000
commit03abf2f2aa77ddd23b74e431005bf773ce1cf0aa (patch)
treeab0da538c9bc8eb747f3849e24d4e8e86194bfc6 /lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
parent3ef5383b3537a420c5e2ab3e657c378e5185549d (diff)
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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/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp14
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f085e444b6..743a9da059 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;
}