unsigned Size =
ElementSize * cast<ConstantInt>(AI.getArraySize())->getZExtValue();
+ // Always allocate at least one byte.
+ Size = std::max(Size, 1u);
+
unsigned Alignment = AI.getAlignment();
if (!Alignment)
Alignment = DL->getABITypeAlignment(AI.getAllocatedType());
; CHECK-NEXT: - { id: 0, name: ptr1, offset: 0, size: 8, alignment: 8 }
; CHECK-NEXT: - { id: 1, name: ptr2, offset: 0, size: 8, alignment: 1 }
; CHECK-NEXT: - { id: 2, name: ptr3, offset: 0, size: 128, alignment: 8 }
+; CHECK-NEXT: - { id: 3, name: ptr4, offset: 0, size: 1, alignment: 8 }
; CHECK: %{{[0-9]+}}(64) = G_FRAME_INDEX p0 %stack.0.ptr1
; CHECK: %{{[0-9]+}}(64) = G_FRAME_INDEX p0 %stack.1.ptr2
; CHECK: %{{[0-9]+}}(64) = G_FRAME_INDEX p0 %stack.2.ptr3
+; CHECK: %{{[0-9]+}}(64) = G_FRAME_INDEX p0 %stack.3.ptr4
define void @allocai64() {
%ptr1 = alloca i64
%ptr2 = alloca i64, align 1
%ptr3 = alloca i64, i32 16
+ %ptr4 = alloca [0 x i64]
ret void
}