clean up prolouge and epilouge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp
index c5556ed..3225963 100644
--- a/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -94,10 +94,10 @@
setOperationAction(ISD::EXTLOAD, MVT::i1, Promote);
setOperationAction(ISD::EXTLOAD, MVT::f32, Expand);
- setOperationAction(ISD::ZEXTLOAD, MVT::i1, Expand);
+ setOperationAction(ISD::ZEXTLOAD, MVT::i1, Promote);
setOperationAction(ISD::ZEXTLOAD, MVT::i32, Expand);
- setOperationAction(ISD::SEXTLOAD, MVT::i1, Expand);
+ setOperationAction(ISD::SEXTLOAD, MVT::i1, Promote);
setOperationAction(ISD::SEXTLOAD, MVT::i8, Expand);
setOperationAction(ISD::SEXTLOAD, MVT::i16, Expand);
@@ -613,6 +613,7 @@
++i;
offset = i;
} else if (const Instruction* I = dyn_cast<Instruction>(v)) {
+ assert(dyn_cast<PointerType>(I->getType()));
type = 3;
const BasicBlock* bb = I->getParent();
const Function* F = bb->getParent();
@@ -627,6 +628,13 @@
for(BasicBlock::const_iterator ii = bb->begin(); &*ii != I; ++ii)
++i;
offset = i;
+ } else if (const Constant* C = dyn_cast<Constant>(v)) {
+ //Don't know how to look these up yet
+ type = 0;
+ fun = 0;
+ offset = 0;
+ } else {
+ assert(0 && "Error in value marking");
}
//type = 4: register spilling
//type = 5: global address loading or constant loading
@@ -1407,6 +1415,10 @@
BuildMI(BB, Alpha::BSR, 1, Alpha::R26)
.addGlobalAddress(GASD->getGlobal(),true);
} else {
+ //Must always reread relocation table before a call
+ if (GASD)
+ ExprMap.erase(N.getOperand(1));
+
//no need to restore GP as we are doing an indirect call
Tmp1 = SelectExpr(N.getOperand(1));
BuildMI(BB, Alpha::BIS, 2, Alpha::R27).addReg(Tmp1).addReg(Tmp1);