6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-30 02:25:19 +00:00
Code Issues Projects Releases Wiki Activity

propagate struct size and alignment of byval arguments to the DAG

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2007-08-10 14:44:42 +00:00
parent ae9671b838
commit 594d37e21a
6 changed files with 40 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@@ -3836,8 +3836,15 @@ TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
Flags |= ISD::ParamFlags::InReg;
if (Attrs && Attrs->paramHasAttr(j, ParamAttr::StructRet))
Flags |= ISD::ParamFlags::StructReturn;
if (Attrs && Attrs->paramHasAttr(j, ParamAttr::ByVal))
if (Attrs && Attrs->paramHasAttr(j, ParamAttr::ByVal)) {
Flags |= ISD::ParamFlags::ByVal;
const PointerType *Ty = cast<PointerType>(I->getType());
const StructType *STy = cast<StructType>(Ty->getElementType());
unsigned StructAlign = Log2_32(getTargetData()->getABITypeAlignment(STy));
unsigned StructSize = getTargetData()->getTypeSize(STy);
Flags |= (StructAlign << ISD::ParamFlags::ByValAlignOffs);
Flags |= (StructSize << ISD::ParamFlags::ByValSizeOffs);
}
if (Attrs && Attrs->paramHasAttr(j, ParamAttr::Nest))
Flags |= ISD::ParamFlags::Nest;
Flags |= (OriginalAlignment << ISD::ParamFlags::OrigAlignmentOffs);