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Allow target constants to be illegal types. The target should

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know how to handle them.  This fixes 
test/CodeGen/Generic/asm-large-immediate.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41388 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-08-25 01:00:22 +00:00
parent 4a69da9cb0
commit 09ec1b0583
2 changed files with 13 additions and 0 deletions
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5
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -457,6 +457,8 @@ void SelectionDAGLegalize::HandleOp(SDOperand Op) {
// If this is an illegal scalar, expand it into its two component // If this is an illegal scalar, expand it into its two component
// pieces. // pieces.
SDOperand X, Y; SDOperand X, Y;
if (Op.getOpcode() == ISD::TargetConstant)
break; // Allow illegal target nodes.
ExpandOp(Op, X, Y); ExpandOp(Op, X, Y);
} else if (MVT::getVectorNumElements(VT) == 1) { } else if (MVT::getVectorNumElements(VT) == 1) {
// If this is an illegal single element vector, convert it to a // If this is an illegal single element vector, convert it to a
@ -644,6 +646,9 @@ SDOperand ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG,
/// is legal, recursively ensuring that the operands' operations remain /// is legal, recursively ensuring that the operands' operations remain
/// legal. /// legal.
SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes.
return Op;
assert(isTypeLegal(Op.getValueType()) && assert(isTypeLegal(Op.getValueType()) &&
"Caller should expand or promote operands that are not legal!"); "Caller should expand or promote operands that are not legal!");
SDNode *Node = Op.Val; SDNode *Node = Op.Val;

8
test/CodeGen/Generic/asm-large-immediate.ll Normal file
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@ -0,0 +1,8 @@
; RUN: llvm-as < %s | llc | grep 68719476738
define void @test() {
entry:
tail call void asm sideeffect "/* result: ${0:c} */", "i,~{dirflag},~{fpsr},~{flags}"( i64 68719476738 )
ret void
}