Author: lattner
Date: Fri Aug 24 20:00:22 2007
New Revision: 41388
URL: http://llvm.org/viewvc/llvm-project?rev=41388&view=rev
Log:
Allow target constants to be illegal types. The target should
know how to handle them. This fixes
test/CodeGen/Generic/asm-large-immediate.ll
Added:
llvm/trunk/test/CodeGen/Generic/asm-large-immediate.ll
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=41388&r1=41387&r2=41388&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Fri Aug 24 20:00:22 2007
@@ -457,6 +457,8 @@
// If this is an illegal scalar, expand it into its two component
// pieces.
SDOperand X, Y;
+ if (Op.getOpcode() == ISD::TargetConstant)
+ break; // Allow illegal target nodes.
ExpandOp(Op, X, Y);
} else if (MVT::getVectorNumElements(VT) == 1) {
// If this is an illegal single element vector, convert it to a
@@ -644,6 +646,9 @@
/// is legal, recursively ensuring that the operands' operations remain
/// legal.
SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
+ if (Op.getOpcode() == ISD::TargetConstant) // Allow illegal target nodes.
+ return Op;
+
assert(isTypeLegal(Op.getValueType()) &&
"Caller should expand or promote operands that are not legal!");
SDNode *Node = Op.Val;
Added: llvm/trunk/test/CodeGen/Generic/asm-large-immediate.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Generic/asm-large-immediate.ll?rev=41388&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Generic/asm-large-immediate.ll (added)
+++ llvm/trunk/test/CodeGen/Generic/asm-large-immediate.ll Fri Aug 24 20:00:22
2007
@@ -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
+}
+
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