// Create the stack frame object.
EVT VT = Node->getValueType(0);
EVT OpVT = Node->getOperand(0).getValueType();
+ EVT EltVT = VT.getVectorElementType();
DebugLoc dl = Node->getDebugLoc();
SDValue FIPtr = DAG.CreateStackTemporary(VT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
// Emit a store of each element to the stack slot.
SmallVector<SDValue, 8> Stores;
- unsigned TypeByteSize = OpVT.getSizeInBits() / 8;
+ unsigned TypeByteSize = EltVT.getSizeInBits() / 8;
// Store (in the right endianness) the elements to memory.
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) {
// Ignore undef elements.
SDValue Idx = DAG.getConstant(Offset, FIPtr.getValueType());
Idx = DAG.getNode(ISD::ADD, dl, FIPtr.getValueType(), FIPtr, Idx);
- Stores.push_back(DAG.getStore(DAG.getEntryNode(), dl, Node->getOperand(i),
- Idx, SV, Offset));
+ // If EltVT smaller than OpVT, only store the bits necessary.
+ if (EltVT.bitsLT(OpVT))
+ Stores.push_back(DAG.getTruncStore(DAG.getEntryNode(), dl,
+ Node->getOperand(i), Idx, SV, Offset, EltVT));
+ else
+ Stores.push_back(DAG.getStore(DAG.getEntryNode(), dl,
+ Node->getOperand(i), Idx, SV, Offset));
}
SDValue StoreChain;
--- /dev/null
+; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin -mattr=+altivec | FileCheck %s
+; Formerly this did byte loads and word stores.
+@a = external global <16 x i8>
+@b = external global <16 x i8>
+@c = external global <16 x i8>
+
+define void @foo() nounwind ssp {
+; CHECK: _foo:
+; CHECK-NOT: stw
+entry:
+ %tmp0 = load <16 x i8>* @a, align 16
+ %tmp180.i = extractelement <16 x i8> %tmp0, i32 0 ; <i8> [#uses=1]
+ %tmp181.i = insertelement <16 x i8> <i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, i8 %tmp180.i, i32 2 ; <<16 x i8>> [#uses=1]
+ %tmp182.i = extractelement <16 x i8> %tmp0, i32 1 ; <i8> [#uses=1]
+ %tmp183.i = insertelement <16 x i8> %tmp181.i, i8 %tmp182.i, i32 3 ; <<16 x i8>> [#uses=1]
+ %tmp184.i = insertelement <16 x i8> %tmp183.i, i8 0, i32 4 ; <<16 x i8>> [#uses=1]
+ %tmp185.i = insertelement <16 x i8> %tmp184.i, i8 0, i32 5 ; <<16 x i8>> [#uses=1]
+ %tmp186.i = extractelement <16 x i8> %tmp0, i32 4 ; <i8> [#uses=1]
+ %tmp187.i = insertelement <16 x i8> %tmp185.i, i8 %tmp186.i, i32 6 ; <<16 x i8>> [#uses=1]
+ %tmp188.i = extractelement <16 x i8> %tmp0, i32 5 ; <i8> [#uses=1]
+ %tmp189.i = insertelement <16 x i8> %tmp187.i, i8 %tmp188.i, i32 7 ; <<16 x i8>> [#uses=1]
+ %tmp190.i = insertelement <16 x i8> %tmp189.i, i8 0, i32 8 ; <<16 x i8>> [#uses=1]
+ %tmp191.i = insertelement <16 x i8> %tmp190.i, i8 0, i32 9 ; <<16 x i8>> [#uses=1]
+ %tmp192.i = extractelement <16 x i8> %tmp0, i32 8 ; <i8> [#uses=1]
+ %tmp193.i = insertelement <16 x i8> %tmp191.i, i8 %tmp192.i, i32 10 ; <<16 x i8>> [#uses=1]
+ %tmp194.i = extractelement <16 x i8> %tmp0, i32 9 ; <i8> [#uses=1]
+ %tmp195.i = insertelement <16 x i8> %tmp193.i, i8 %tmp194.i, i32 11 ; <<16 x i8>> [#uses=1]
+ %tmp196.i = insertelement <16 x i8> %tmp195.i, i8 0, i32 12 ; <<16 x i8>> [#uses=1]
+ %tmp197.i = insertelement <16 x i8> %tmp196.i, i8 0, i32 13 ; <<16 x i8>> [#uses=1]
+%tmp201 = shufflevector <16 x i8> %tmp197.i, <16 x i8> %tmp0, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 28, i32 29>; ModuleID = 'try.c'
+ store <16 x i8> %tmp201, <16 x i8>* @c, align 16
+ br label %return
+
+return: ; preds = %bb2
+ ret void
+; CHECK: blr
+}