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Fix PR3795: Apply Dan's suggested fix for 

ARMTargetLowering::isLegalAddressingMode.

llvm-svn: 68619
This commit is contained in:
Bob Wilson 2009-04-08 17:55:28 +00:00
parent b58a9058a2
commit 866c174f79
1 changed files with 6 additions and 2 deletions
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8
llvm/lib/Target/ARM/ARMISelLowering.cpp
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@ -1759,7 +1759,8 @@ static bool isLegalAddressImmediate(int64_t V, MVT VT,
/// by AM is legal for this target, for a load/store of the specified type. /// by AM is legal for this target, for a load/store of the specified type.
bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM, bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
const Type *Ty) const { const Type *Ty) const {
if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty, true), Subtarget)) MVT VT = getValueType(Ty, true);
if (!isLegalAddressImmediate(AM.BaseOffs, VT, Subtarget))
return false; return false;
// Can never fold addr of global into load/store. // Can never fold addr of global into load/store.
@ -1778,8 +1779,11 @@ bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
if (AM.BaseOffs) if (AM.BaseOffs)
return false; return false;
if (!VT.isSimple())
return false;
int Scale = AM.Scale; int Scale = AM.Scale;
switch (getValueType(Ty).getSimpleVT()) { switch (VT.getSimpleVT()) {
default: return false; default: return false;
case MVT::i1: case MVT::i1:
case MVT::i8: case MVT::i8: