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track signedness of formal argument, though we have a fixme here.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34620 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-26 02:56:58 +00:00
parent dcffd5c3d9
commit ddf53e45b2
1 changed files with 8 additions and 0 deletions
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8
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -3111,8 +3111,16 @@ TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
// Flags[31:27] -> OriginalAlignment
// Flags[2] -> isSRet
// Flags[1] -> isInReg
// Flags[0] -> isSigned
unsigned Flags = (isInReg << 1) | (isSRet << 2) | (OriginalAlignment << 27);
// FIXME: Distinguish between a formal with no [sz]ext attribute from one
// that is zero extended!
if (FTy->paramHasAttr(j, FunctionType::ZExtAttribute))
Flags |= 0;
if (FTy->paramHasAttr(j, FunctionType::SExtAttribute))
Flags |= 1;
switch (getTypeAction(VT)) {
default: assert(0 && "Unknown type action!");
case Legal: