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Fix pointer info on PPC byval stores

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For PPC64 SVR (and Darwin), the stores that take byval aggregate parameters
from registers into the stack frame had MachinePointerInfo objects with
incorrect offsets. These offsets are relative to the object itself, not to the
stack frame base.

This fixes self hosting on PPC64 when compiling with -enable-aa-sched-mi.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199763 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2014-01-21 20:15:58 +00:00
parent a747cf1c4d
commit da3446099d
2 changed files with 22 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Target/PowerPC/PPCISelLowering.cpp
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@@ -2335,7 +2335,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4(
EVT ObjType = (ObjSize == 1 ? MVT::i8 :
(ObjSize == 2 ? MVT::i16 : MVT::i32));
Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
MachinePointerInfo(FuncArg, CurArgOffset),
MachinePointerInfo(FuncArg),
ObjType, false, false, 0);
} else {
// For sizes that don't fit a truncating store (3, 5, 6, 7),
@@ -2347,7 +2347,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4(
int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset, true);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
MachinePointerInfo(FuncArg, ArgOffset),
MachinePointerInfo(FuncArg),
false, false, 0);
}
@@ -2371,7 +2371,7 @@ PPCTargetLowering::LowerFormalArguments_64SVR4(
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
MachinePointerInfo(FuncArg, ArgOffset),
MachinePointerInfo(FuncArg, j),
false, false, 0);
MemOps.push_back(Store);
++GPR_idx;
@@ -2667,8 +2667,7 @@ PPCTargetLowering::LowerFormalArguments_Darwin(
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
EVT ObjType = ObjSize == 1 ? MVT::i8 : MVT::i16;
SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
MachinePointerInfo(FuncArg,
CurArgOffset),
MachinePointerInfo(FuncArg),
ObjType, false, false, 0);
MemOps.push_back(Store);
++GPR_idx;
@@ -2692,7 +2691,7 @@ PPCTargetLowering::LowerFormalArguments_Darwin(
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
MachinePointerInfo(FuncArg, ArgOffset),
MachinePointerInfo(FuncArg, j),
false, false, 0);
MemOps.push_back(Store);
++GPR_idx;