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Fix CodeGen for vectors of pointers with address spaces.

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llvm-svn: 193112
This commit is contained in:
Matt Arsenault 2013-10-21 20:03:58 +00:00
parent dad904931b
commit aad9d96b2b
2 changed files with 37 additions and 3 deletions
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10
include/llvm/Target/TargetLowering.h
View File

@ -570,14 +570,18 @@ public:
/// otherwise it will assert.
EVT getValueType(Type *Ty, bool AllowUnknown = false) const {
// Lower scalar pointers to native pointer types.
if (Ty->isPointerTy()) return getPointerTy(Ty->getPointerAddressSpace());
if (PointerType *PTy = dyn_cast<PointerType>(Ty))
return getPointerTy(PTy->getAddressSpace());
if (Ty->isVectorTy()) {
VectorType *VTy = cast<VectorType>(Ty);
Type *Elm = VTy->getElementType();
// Lower vectors of pointers to native pointer types.
if (Elm->isPointerTy())
Elm = EVT(PointerTy).getTypeForEVT(Ty->getContext());
if (PointerType *PT = dyn_cast<PointerType>(Elm)) {
EVT PointerTy(getPointerTy(PT->getAddressSpace()));
Elm = PointerTy.getTypeForEVT(Ty->getContext());
}
return EVT::getVectorVT(Ty->getContext(), EVT::getEVT(Elm, false),
VTy->getNumElements());
}

30
test/CodeGen/R600/gep-address-space.ll
View File

@ -8,3 +8,33 @@ define void @use_gep_address_space([1024 x i32] addrspace(3)* %array) nounwind {
ret void
}
define void @gep_as_vector_v4(<4 x [1024 x i32] addrspace(3)*> %array) nounwind {
; CHECK-LABEL: @gep_as_vector_v4:
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
%p = getelementptr <4 x [1024 x i32] addrspace(3)*> %array, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
%p0 = extractelement <4 x i32 addrspace(3)*> %p, i32 0
%p1 = extractelement <4 x i32 addrspace(3)*> %p, i32 1
%p2 = extractelement <4 x i32 addrspace(3)*> %p, i32 2
%p3 = extractelement <4 x i32 addrspace(3)*> %p, i32 3
store i32 99, i32 addrspace(3)* %p0
store i32 99, i32 addrspace(3)* %p1
store i32 99, i32 addrspace(3)* %p2
store i32 99, i32 addrspace(3)* %p3
ret void
}
define void @gep_as_vector_v2(<2 x [1024 x i32] addrspace(3)*> %array) nounwind {
; CHECK-LABEL: @gep_as_vector_v2:
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
%p = getelementptr <2 x [1024 x i32] addrspace(3)*> %array, <2 x i16> zeroinitializer, <2 x i16> <i16 16, i16 16>
%p0 = extractelement <2 x i32 addrspace(3)*> %p, i32 0
%p1 = extractelement <2 x i32 addrspace(3)*> %p, i32 1
store i32 99, i32 addrspace(3)* %p0
store i32 99, i32 addrspace(3)* %p1
ret void
}