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Remove some support for ReturnInsts with multiple operands, and for

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returning a scalar value in a function whose return type is a single-
element structure or array.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128810 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad committed 2011-04-04 07:44:02 +00:00
1 parent cc5d992bc1
commit 3e2f74e6d6
4 files changed
+5 -49
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lib/VMCore/Verifier.cpp
+4 -24
View File
@@ -826,30 +826,10 @@ void Verifier::visitReturnInst(ReturnInst &RI) {
Assert2(N == 0,
"Found return instr that returns non-void in Function of void "
"return type!", &RI, F->getReturnType());
else if (N == 1 && F->getReturnType() == RI.getOperand(0)->getType()) {
// Exactly one return value and it matches the return type. Good.
} else if (const StructType *STy = dyn_cast<StructType>(F->getReturnType())) {
// The return type is a struct; check for multiple return values.
Assert2(STy->getNumElements() == N,
"Incorrect number of return values in ret instruction!",
&RI, F->getReturnType());
for (unsigned i = 0; i != N; ++i)
Assert2(STy->getElementType(i) == RI.getOperand(i)->getType(),
"Function return type does not match operand "
"type of return inst!", &RI, F->getReturnType());
} else if (const ArrayType *ATy = dyn_cast<ArrayType>(F->getReturnType())) {
// The return type is an array; check for multiple return values.
Assert2(ATy->getNumElements() == N,
"Incorrect number of return values in ret instruction!",
&RI, F->getReturnType());
for (unsigned i = 0; i != N; ++i)
Assert2(ATy->getElementType() == RI.getOperand(i)->getType(),
"Function return type does not match operand "
"type of return inst!", &RI, F->getReturnType());
} else {
CheckFailed("Function return type does not match operand "
"type of return inst!", &RI, F->getReturnType());
}
else
Assert2(N == 1 && F->getReturnType() == RI.getOperand(0)->getType(),
"Function return type does not match operand "
"type of return inst!", &RI, F->getReturnType());
// Check to make sure that the return value has necessary properties for
// terminators...