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authorBrian Gaeke <gaeke@uiuc.edu>2003-11-22 07:18:25 +0000
committerBrian Gaeke <gaeke@uiuc.edu>2003-11-22 07:18:25 +0000
commitf9c86cf5cf3f7af65bbcb2e40d44903380d642e9 (patch)
tree08057f4c514296d6d5679e517e411a79c21dfd0a
parentdfcc9cfaa877afd358c19dcd94410b4edcc09928 (diff)
downloadexternal_llvm-f9c86cf5cf3f7af65bbcb2e40d44903380d642e9.zip
external_llvm-f9c86cf5cf3f7af65bbcb2e40d44903380d642e9.tar.gz
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Support constant casting constant pointers to ints/uints, and/or
the other way around, instead of failing a large, tumor-like assertion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10171 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/Printer.cpp12
-rw-r--r--lib/Target/X86/X86AsmPrinter.cpp12
2 files changed, 16 insertions, 8 deletions
diff --git a/lib/Target/X86/Printer.cpp b/lib/Target/X86/Printer.cpp
index 292a465..bf90064 100644
--- a/lib/Target/X86/Printer.cpp
+++ b/lib/Target/X86/Printer.cpp
@@ -185,15 +185,19 @@ void Printer::emitConstantValueOnly(const Constant *CV) {
}
case Instruction::Cast: {
// Support only non-converting or widening casts for now, that is, ones
- // that do not involve a change in value. This assertion is not a
- // complete check.
+ // that do not involve a change in value. This assertion is really gross,
+ // and may not even be a complete check.
Constant *Op = CE->getOperand(0);
const Type *OpTy = Op->getType(), *Ty = CE->getType();
+ // Remember, kids, pointers on x86 can be losslessly converted back and
+ // forth into 32-bit or wider integers, regardless of signedness. :-P
assert(((isa<PointerType>(OpTy)
- && (Ty == Type::LongTy || Ty == Type::ULongTy))
+ && (Ty == Type::LongTy || Ty == Type::ULongTy
+ || Ty == Type::IntTy || Ty == Type::UIntTy))
|| (isa<PointerType>(Ty)
- && (OpTy == Type::LongTy || OpTy == Type::ULongTy))
+ && (OpTy == Type::LongTy || OpTy == Type::ULongTy
+ || OpTy == Type::IntTy || OpTy == Type::UIntTy))
|| (((TD.getTypeSize(Ty) >= TD.getTypeSize(OpTy))
&& OpTy->isLosslesslyConvertibleTo(Ty))))
&& "FIXME: Don't yet support this kind of constant cast expr");
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 292a465..bf90064 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -185,15 +185,19 @@ void Printer::emitConstantValueOnly(const Constant *CV) {
}
case Instruction::Cast: {
// Support only non-converting or widening casts for now, that is, ones
- // that do not involve a change in value. This assertion is not a
- // complete check.
+ // that do not involve a change in value. This assertion is really gross,
+ // and may not even be a complete check.
Constant *Op = CE->getOperand(0);
const Type *OpTy = Op->getType(), *Ty = CE->getType();
+ // Remember, kids, pointers on x86 can be losslessly converted back and
+ // forth into 32-bit or wider integers, regardless of signedness. :-P
assert(((isa<PointerType>(OpTy)
- && (Ty == Type::LongTy || Ty == Type::ULongTy))
+ && (Ty == Type::LongTy || Ty == Type::ULongTy
+ || Ty == Type::IntTy || Ty == Type::UIntTy))
|| (isa<PointerType>(Ty)
- && (OpTy == Type::LongTy || OpTy == Type::ULongTy))
+ && (OpTy == Type::LongTy || OpTy == Type::ULongTy
+ || OpTy == Type::IntTy || OpTy == Type::UIntTy))
|| (((TD.getTypeSize(Ty) >= TD.getTypeSize(OpTy))
&& OpTy->isLosslesslyConvertibleTo(Ty))))
&& "FIXME: Don't yet support this kind of constant cast expr");