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Make FP tests requiring two compares work on PPC (PR 642).

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This is Chris' patch from the PR, modified to realize that
SETUGT/SETULT occur legitimately with integers, plus
two fixes in LegalizeDAG to pass a valid result type into
LegalizeSetCC.  The argument of TLI.getSetCCResultType is
ignored on PPC, but I think I'm following usage elsewhere.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58871 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2008-11-07 22:54:33 +00:00
parent 437c1738ef
commit 53e4e4478c
3 changed files with 35 additions and 18 deletions
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4
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@@ -2008,7 +2008,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
Tmp3 = Node->getOperand(3); // RHS
Tmp4 = Node->getOperand(1); // CC
LegalizeSetCC(Node->getValueType(0), Tmp2, Tmp3, Tmp4);
LegalizeSetCC(TLI.getSetCCResultType(Tmp2), Tmp2, Tmp3, Tmp4);
LastCALLSEQ_END = DAG.getEntryNode();
// If we didn't get both a LHS and RHS back from LegalizeSetCC,
@@ -2910,7 +2910,7 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
Tmp4 = LegalizeOp(Node->getOperand(3)); // False
SDValue CC = Node->getOperand(4);
LegalizeSetCC(Node->getValueType(0), Tmp1, Tmp2, CC);
LegalizeSetCC(TLI.getSetCCResultType(Tmp1), Tmp1, Tmp2, CC);
// If we didn't get both a LHS and RHS back from LegalizeSetCC,
// the LHS is a legal SETCC itself. In this case, we need to compare