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Enable first-class aggregates support.

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Remove the GetResultInst instruction. It is still accepted in LLVM assembly
and bitcode, where it is now auto-upgraded to ExtractValueInst. Also, remove
support for return instructions with multiple values. These are auto-upgraded
to use InsertValueInst instructions.

The IRBuilder still accepts multiple-value returns, and auto-upgrades them
to InsertValueInst instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53941 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-07-23 00:34:11 +00:00
parent 5e6ebaf4d1
commit fc74abfba5
29 changed files with 167 additions and 558 deletions
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13
lib/Target/CBackend/CBackend.cpp
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@ -285,7 +285,6 @@ namespace {
void visitInsertElementInst(InsertElementInst &I);
void visitExtractElementInst(ExtractElementInst &I);
void visitShuffleVectorInst(ShuffleVectorInst &SVI);
void visitGetResultInst(GetResultInst &GRI);
void visitInsertValueInst(InsertValueInst &I);
void visitExtractValueInst(ExtractValueInst &I);
@ -3325,18 +3324,6 @@ void CWriter::visitShuffleVectorInst(ShuffleVectorInst &SVI) {
Out << "}";
}
void CWriter::visitGetResultInst(GetResultInst &GRI) {
Out << "(";
if (isa<UndefValue>(GRI.getOperand(0))) {
Out << "(";
printType(Out, GRI.getType());
Out << ") 0/*UNDEF*/";
} else {
Out << GetValueName(GRI.getOperand(0)) << ".field" << GRI.getIndex();
}
Out << ")";
}
void CWriter::visitInsertValueInst(InsertValueInst &IVI) {
// Start by copying the entire aggregate value into the result variable.
writeOperand(IVI.getOperand(0));