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fix subtle bugs in inline asm operand selection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37065 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -4725,18 +4725,19 @@ isOperandValidForConstraint(SDOperand Op, char Constraint, SelectionDAG &DAG) {
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case 'I':
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case 'I':
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if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
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if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
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if (C->getValue() <= 31)
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if (C->getValue() <= 31)
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return Op;
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return DAG.getTargetConstant(C->getValue(), Op.getValueType());
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}
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}
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return SDOperand(0,0);
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return SDOperand(0,0);
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case 'N':
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case 'N':
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if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
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if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) {
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if (C->getValue() <= 255)
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if (C->getValue() <= 255)
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return Op;
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return DAG.getTargetConstant(C->getValue(), Op.getValueType());
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}
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}
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return SDOperand(0,0);
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return SDOperand(0,0);
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case 'i': {
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case 'i': {
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// Literal immediates are always ok.
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// Literal immediates are always ok.
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if (isa<ConstantSDNode>(Op)) return Op;
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if (ConstantSDNode *CST = dyn_cast<ConstantSDNode>(Op))
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return DAG.getTargetConstant(CST->getValue(), Op.getValueType());
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// If we are in non-pic codegen mode, we allow the address of a global (with
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// If we are in non-pic codegen mode, we allow the address of a global (with
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// an optional displacement) to be used with 'i'.
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// an optional displacement) to be used with 'i'.
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